California to sue Trump administration over plan for U.S.-Mexico border wall

California Atty. Gen. Xavier Becerra plans to announce a lawsuit on behalf of the state that will challenge President Trump’s proposal to build a wall at the U.S.-Mexico border, a project Becerra has called “medieval.”

UN competition encourages student innovations to tackle plastic wastes in the ocean

UN Environment and Think Beyond Plastic, an innovation accelerator organization, have launched a worldwide innovation challenge for university students to fight plastic waste in oceans.

How three friends are turning plastic waste into a new retail brand

One of the hardest parts of building Nomadix has been reminding ourselves to slow down. We really want to be able to make the right decisions that align with our values, not just growth rates or profit margins.

Beyond the High Line: 8 linear parks that have transformed cities

And because it is nearly impossible to carve out more Central Parks in dense cities across the country, linear parks are an excellent way to add green space to urban areas. Their long and winding shape can provide greater access to parks for more residents.

As climate changes, Southern States will suffer more than others

As the United States confronts global warming in the decades ahead, not all states will suffer equally. Maine may benefit from milder winters. Florida, by contrast, could face major losses.

What broke the safe water drinking act?

The Environmental Protection Agency has so far found perchlorate in 45 states, tainting water supplies of roughly 16 million Americans. Yet, there is no mandate that water utilities outside of California and Massachusetts test for the toxic chemical or let residents know when it’s in their tap water.

Nature a powerful force to fight climate change

Global warming is already here. A growing number of leaders see that in order to address it, we need not only more renewable energy and cleaner transport. We must also harness the power of nature.

Environmental Bonds Should Equitably Benefit All Communities

In 2006, California voters approved Proposition 84, a bond measure authorizing $5.4 billion in spending on projects to improve parks, natural resource protection, and water quality, safety, and supply. Most of that money has now been spent.

This Pacific island is covered in 38 million pieces of trash — mostly plastic

Henderson Island is particularly hit by the plastic pollution because it’s located at the edge of the South Pacific gyre, an ocean current that tends to pick up trash.

What kind of wildlife flourishes in cities?

Biodiversity also exists in many other places. More than half of the people on Earth live in cities, and that number is growing, so it is especially important to understand how biodiversity patterns occur in our man-made environments.

6 ways to save the world’s oceans

Without oceans, there would be no life on earth as we know it. But they are under more stress than ever, thanks to overfishing, pollution, and climate change. This World Oceans Day, here are six things you can do to save the seas.

All schoolchildren deserve clean, safe drinking water: Connie Leyva and Eloise Gomez Reyes

As parents, we know that our first duty is to keep our children safe. We must all do our part to make sure that drinking water at California schools is safe and healthy for our children.

Climate change in the U.S. could help the rich and hurt the poor

The U.S. economy probably would lose about 0.7 percent of its GDP for each 1 degree Fahrenheit increase in global temperatures. But that financial pain won’t play out evenly.

Irma and Harvey should kill any doubt that climate change is real

Harvey and Irma are sad reminders that policy matters. At a time when damage from climate change is escalating, we need sensible policy in Washington to protect the citizens of this country, both by reducing future climate change and preparing for its consequences.

This is how climate change will shift the world’s cities

As cities get hotter, weather patterns may shift and make extreme heat even more common. That will in turn threaten public health and the economy.

In Pictures: Plastic pollution and our oceans

With millions of tons of plastic waste being dumped into the sea every year and barely any ocean area free of such pollutants, the environmental impact on marine life and species is tremendous. Take a look at the hazardous effects of plastic pollution on our oceans.

The California drought isn’t over, it just went underground

Drought conditions continue for thousands of rural residents in the San Joaquin valley who rely on groundwater. And the race to dig deeper wells is a losing game for small communities and those on private wells.

Corals keep a record of ocean pollution

Coral nitrogen analysis offers an independent measure of the effects of human activity on the ecosystem. Changes in nitrogen runoff are reflected in coral reef growth.

Why Trump’s parks and public lands attack is harmful to all Americans — especially people of color?

Our parks and national monuments deserve even greater protection, not threats and budget cuts. These lands are something we all own.

Hurricane Harvey and the inevitable question of climate change

Climate change may not have “caused” Hurricane Harvey, but it seems likely that warming temperatures — the consequence of man-made greenhouse gases trapping heat in the atmosphere — exacerbated the storm conditions.

Plastic pollution doesn’t just make for an ugly beach day. It’s contaminating our food chain

In the two minutes it took you to read this article, more than 60,000 pounds of plastic were dumped into our oceans. That plastic could very well have profound health consequences for you and the ones you love.

Doctors are prescribing park visits to boost patient health

Printed on a notepad with an “Rx” symbol in the top-left corner, a park prescription instructs a patient to take one free day at “any South Dakota state park or recreation area.”

Water: More or Less' author talks California's ever-changing water policy

Rita Sudman is longtime observer of the California water, and even led the Water Education Foundation. In 2016, she co-authored "Water: More or Less." In an interview with ABC10, Sudman talked about her book and the future of California's water policy.

Living in California’s San Joaquin Valley may harm your health

More than 1 million people in the region have been exposed to unsafe drinking water in recent years from pesticides, arsenic, nitrate and uranium. And many communities also face multiple environmental health threats.

The 10 ways we can fix climate change

A team of writers and researchers led by American environmentalist Paul Hawken has just published Drawdown, a comprehensive plan to scale back the world’s greenhouse gas emissions. The book offers hope that real solutions within reach.

Californians are recycling bottles less and less. Here's what's going on

In a state that prides itself as a global leader in protecting the environment, recycling rates for beverage containers have dropped to their lowest point amid the continued closure of centers that pay for bottles and cans and the fallout from changes to California's recycling program.

Plasticity forum highlights plastics recycling issues and opportunities

Plastics recycling, ocean pollution and program investments were among the sustainability topics at the first Plasticity Forum in California. While noting that the U.S. is far from ideal on plastics recycling, California is so far ahead of other areas.

How urban parks keep seniors healthy and living stronger

As for the ways seniors interact with parks, parks are not simply a place with trees and grass, they are powerful spaces that can support gathering and mobility.

Is marine plastic pollution a threat to human heath?

Would you like a side of plastic with your fish dish? Well, you might get it whether you like it or not. Ocean plastic pollution is pervasive. Scientists are trying to figure out the impact on human health.

How affordable housing can help on climate change

Climate change policy is about saving the planet through making better choices. We will always come up short if we fail to include solutions for the people we wish to save.

T is for toxic: danger lurking in California school drinking fountains

It’s too risky for tens of thousands of children in the San Joaquin Valley to drink water at their schools due to chronic contamination by chemicals, pesticides and other toxins.

California drought: plans advance to enlarge major Bay Area Reservoir

Working to expand water supplies for California’s next drought, a coalition of 12 Bay Area water agencies took a significant step toward an $800 million expansion of Los Vaqueros Reservoir.

Economic benefits of green spaces

According to a research report by the Forestry Commission, investments in green space have a positive impact on constituent components such as job creation, new business start-ups and private investment.

The ocean has issues: 7 biggest problems facing our seas, and how to fix them

While it's true the oceans can provide us with some amazing eco-solutions like alternative energy, they are undergoing some serious stress factors. Here are the seven biggest problems, plus some light at the end of the tunnel.

Pacific voyage reveals depth of plastic pollution crisis

The discovery of microplastics in deep water means scientists may have underestimated the extent to which plastic trash is contaminating the ocean – and its impact on fish, marine mammals and seabed dwellers.

The ocean is filling up with ‘Plastic Smog’

Every year, billions of pounds of plastic waste pour into our oceans. Used by humanity for a few minutes at most, these single-use plastics will likely stick around for decades, or longer.

Rising tides: sea levels in Santa Barbara

A new report issued in April found that sea level rise along the California coastline could be faster and more drastic than previously predicted.

7 things I learned studying public opinion on water

Do people only care about water during extreme drought, like California’s recent one? It turns out most Americans care a lot about water and have strong feelings on infrastructure spending and other water-related issues.

How climate change will transform the way we live

Climate change is tied to government policies, but it’s also the combination of so many of us using things we don’t need. We can’t afford to not think this is a problem.

How access to green space can boost wellness in the workplace

Exposure to natural environments lowers stress, including its physiological correlates the “stress hormone” cortisol, heart rate, and blood pressure, and even just the sounds of nature trigger a relaxation response in the brain.

10 things you can do to save ocean

All life on Earth is connected to the ocean and its inhabitants. The more you learn about the issues facing this vital system, the more you’ll want to help ensure its health.

Extreme weather conditions and climate change account for 40% of global wheat production variability

A new approach for identifying the impacts of climate change and extreme weather on the variability of wheat production has been proposed. The study analyzed the effect of heat and water anomalies on crop losses over a 30-year period.

Getting to the roots of California’s drinking water crisis

The epicenter of the state’s drinking water catastrophe is in the San Joaquin Valley, where 200,000 people have struggled to obtain clean, safe water for decades.

15 ways to stop microfiber pollution now

Plastic fibers are now showing up in fish and shellfish sold in in California and Indonesia for human consumption. And one paper showed that microfibers are responsible for 85 percent of shoreline pollution across the globe. How can we stop this pollution?

One key way soggy California could save water for the next dry spell

There is so much water in the state’s vast plumbing system that for weeks, the big government water projects have reduced exports from the Sacramento-San Joaquin Delta. Yet there is more room than ever in one of the state’s most capacious storage spaces: the San Joaquin Valley aquifer.

World’s plastic waste could bury Manhattan 2 miles deep

Industry has made more than 9.1 billion tons of plastic since 1950 and there’s enough left over to bury Manhattan under more than two miles of trash, according to a new cradle-to-grave global study.

Plastic waste has gotten out of hand. Ban plastic foam take-out boxes

Disposable plastic waste has gotten way out of hand, and recycling programs don’t appear to be solving the problem. The conditions are ripe for another attempt to enact a statewide restriction on polystyrene takeout containers. Sen. Ben Allen (D-Santa Monica) has written one, and lawmakers should pass it.

Cancer-Causing Chemical TCP Plagues California Drinking Water

In the Central Valley of California, hundreds of wells that provide water to a million people are tainted with a chemical that some experts say is one of the most powerful cancer-causing agents in the world. The state is poised to take the first step Tuesday to regulate the substance — called 1,2,3, TCP — but test data compiled by an activist group show it's also been detected by utilities across the country.

Why it’s important to save our seas’ pristine places

Yet the ocean is still home to treasure troves of biodiversity, and evidence is mounting that protecting such significant local areas builds resilience to climate change—and can even help regenerate what has been lost.

California proposes strict limit on toxic chemical in drinking water

California would be the second state, after Hawaii, to establish a threshold for the former pesticide ingredient and industrial solvent known as TCP (1,2,3-trichloropropane) in drinking water.

California could have stored abundant water underground

California has much more potential to store water underground in aquifers than in surface reservoirs. The state should be focused on this opportunity for future years, writes scientist Mohammad Safeeq.

Sunken pleasure: California will need mountains of sand to save Its beaches

Without human intervention, many of the region’s beautiful beaches may disappear by 2100 as sea levels rise. If the Golden State wants to save its golden shores, it will have to add sand to them—and lots of it.

One man’s plan to transform a major city into a national park

Raven-Ellison’s home isn’t the mountains—it’s London, a city founded in 43 AD, a metropolis today of almost nine million people, with 14,000 of them, on average, living in each square mile. Raven-Ellison is lobbying for the entire city to be declared a National Park.

Why Peter Thiel believes in this 22-year-old's dream to clean up the oceans

The Ocean Cleanup's technology uses long floating rubber barriers with nets below the surface that act as a sort of artificial coastline, passively catching and concentrating debris using the power of the ocean's natural currents.

California’s ‘new’ environmentalism: Toxic air, tainted water driving climate-change debate

“We’ve done a lot for this global environment, but we’ve done very little for the needs of these communities,” said Garcia, a Mexican-American who heads the Assembly Natural Resources Committee.

The effects of climate change will force millions to migrate. Here’s what this means for human security

In 2015, the U.N. Refugee Agency counted 65.3 million people around the world as “forcibly displaced,” including about 40 million within their home countries. Wars, ethnic conflicts, economic stresses, famines and disasters are among the reasons people leave their homes.

The urban common spaces that show us we belong to something larger

Even in large, gritty cities such as New York and Berlin, these urban commons connect us to each other and to the land, water, plants, and animal life of our home. We experience what it means to belong to something larger, to be welcome simply because we are alive.

Aquariums pool resources to fight global plastic

The Aquarium of the Pacific in Long Beach is teaming up with the Monterey Bay Aquarium and others to reduce or eliminate single-use plastics like straws and beverage bottles from their cafes and gift shops.

Climate change clues revealed by ice sheet collapse

The rapid decline of ancient ice sheets could help scientists predict the impact of modern-day climate and sea-level change, according to research by the universities of Stirling in Scotland and Tromsø in Norway.

These cities are replacing the worst kind of infrastructure with the best

In Santa Monica, a flat, sprawling 7.4-acre parking lot became a green park with meadows and rolling hills. In Chicago, an unused parking lot next to a former movie theater will become a park. In the nearby suburb of Aurora, overflow parking for a shopping mall may also become a park. In Washington D.C., parking lots next to the unused RFK Stadium may become sports fields and a food market.

California’s landmark climate-change program would also fight air pollution under proposal

Air pollution — not just climate-warming greenhouse gases — would be melded into the complex cap-and-trade program under Assembly Bill 378, by Assemblywoman Cristina Garcia. Garcia heads the Assembly’s Committee on Natural Resources, which passed the proposal.

6 most common sources of plastic pollution

The 5 Gyres Institute has published a report called “The Plastics BAN List.” Its purpose is to assess which plastics are most damaging to human health and the environment. Plastic waste was collected and analyzed to see in which form it’s most commonly found, which toxic chemicals are used to create the plastics, and what recovery systems (i.e. recycling, composting, reuse) exist, if any.

Ocean might swallow California sooner than you think

Last month the U.S. Geological Survey estimated that without intervention, as much as 67 percent of Southern California’s beaches could be lost to rising seas by the end of the century.

The dried-up heart of California's water dilemma

Tulare Lake is gone (although it makes a partial reappearance during very wet years like this one), but what the California Department of Water Resources now dubs the Tulare Lake Hydrologic Region is the most productive agricultural region in the state -- making it, by extension, the most productive agricultural region in the U.S. and probably the world.

Tracking down water pollution through DNA of algae

The degree of pollution of rivers resulting from human activities is assessed using different biotic indices. The latter reflect the ecological status of a river based on the quantity and diversity of organisms selected as bioindicators, due to their ecological preferences and tolerance to pollution.

What a year with a single tree reveals about climate change

Recorded year after year, studies brought home a global reality: The seasons are not what they used to be. On average, spring is earlier. Fall is later. And winter is getting squeezed on both ends.

Climate change is making algal blooms worse

A new study has unpicked how warming ocean temperatures have already driven an intensification of blooms around North America — the first time this link has been established at an ocean scale.

Storm damage to top $14 million for Bay Area parks — and we’re not done yet

Bay Area parks and open spaces suffered more than $14 million damage from winter storms, and the toll is expected to rise much higher as record-setting rain lingers into spring.

As climate warms, the oceans are becoming more toxic, new research shows

Researchers at Stony Brook University, in New York, analyzed the effects of rising ocean temperatures on two of the most toxic types of algae and found growths are becoming more widespread and profiling through the North Atlantic and North Pacific oceans.

Great Barrier Reef 'cooking and dying' as seas heat up, warn scientists

More than two-thirds of the coral in Australia's Great Barrier Reef is experiencing "shocking" amounts of bleaching, new aerial surveys have revealed. The Australian government says climate change is mainly to blame.

#123TCP – The Toxic Chemical in California's Tap Water

Millions of homes across the state are connected to water sources contaminated with a cancer-causing chemical called 1,2,3-Trichloropropane (TCP) and until recently, few Californians knew about it, let alone had any way to fight it.

A UK company is creating edible water blobs that it hopes will eradicate the world of plastic waste

A UK company has created a biodegradable alternative to plastic bottles which is currently crowdfunding on crowdcube. The product is a blob of water that's made from a seaweed extract, which is actually cheaper than plastic to manufacture.

The trees that make Southern California shady and green are dying fast

One type of beetle could kill as many as 27 million trees in Los Angeles, Orange, Riverside and San Bernardino counties, including parts of the desert. Trees that shade, cool and feed people from Ventura County to the Mexican border are dying so fast that within a few years it’s possible the region will look, feel, sound and smell much less pleasant than it does now.

Protecting our waterways from plastic pollution starts with your straw

Plastic production has skyrocketed since it’s popularization as a consumer material in the 1950’s. A 2015 Worldwatch Institute report noted that the relatively modest launching point of 1.7 million tons of plastic generated in 1950 has ballooned into 300 million tons in 2015.

Can we fight climate change with trees and grass?

Earth's greenery comes with natural carbon-capturing abilities, but now several studies are investigating how to tweak those tendencies to have a maximum impact on carbon dioxide levels in the atmosphere.

Why we need to respect shared water resources: environmental issues are people issues too

A significant amount of the limited freshwater resources in the world are contaminated by pollutants from industry, farming, energy generation, and other human activities.

Trillions of plastic bits, swept up by current, are littering arctic waters

A study published recently shows a major ocean current is carrying trillions of bits of plastic from the North Atlantic to the Greenland and Barents seas, and leaving them there — in surface waters, in sea ice and possibly on the ocean floor.

Millions of discarded flip flops posing huge hazard to ocean life

Each year, tons of flip flops wash up on East African coast, including Kenyan beaches like the one pictured, posing a risk to plant and animal life.