Contrary to what many people believe, they're not going to charity – just straight to landfill.

Grassroots activist honored for 10-year protest against a proposed nickel mine on Mindoro Island

"The mining companies were telling us that it's safe... We did our research and discovered they were lying through their teeth."

Remember the story of Ohio's Bay Shore coal-fired power plant, the one that (perfectly legally) kills at least 46 million fish a year? Well that's still happening, but not without some legal challenges. A coalition of

How many crushings or deaths will it take for a school to realize that large moving vehicles and small kids on foot are not meant to mingle in the same confined space?

Populist leaders are more interested in cutting the price of gas than they are in stopping climate change.

Also a look at smart phones for boomers and for refugees, and making the Raspberry Pi higher.

Nestle and Tesco are the latest members of a worldwide movement against abandoned fishing nets.

The recent UN biodiversity report states that overfishing is a bigger threat to the world's ocean than plastic or acidification.

Images via Cop15 opening film 'Please Help The World' This is the first in a series of guest posts by journalist and climate change communications strategist Ella Saltmarshe When we think about the future of the world, it's mostly bad. I'm not sure when

You just have to look at the parking ratios to know they are environmental disaster areas.

Scientists find that scary fish robots can quickly stress invasive fish species into reduced reproduction.

Tim had planned on working at a Salt Lake City Unitarian church doing social outreach. That is, until the Federal Bureau of Prisons decided that wasn't a "safe" occupation for the climate activist.

And they are not alone...

What do we really want from a building certification system?

I can't stop thinking about Natasha Pettigrew. She was 30 years old, a Green Party candidate for Senator in Maryland, and killed this month in the early morning hours by being struck from behind by a woman in an SUV. The driver did not stop, dragged

Residents in southern Maryland have long felt like they live in an 'energy sacrifice zone.' They already have a nuclear power plant and now are trying to stop a liquid natural gas port.

This is beyond climate denial, it's science denial

It's either billions of dollars in polar engineering, a rapid cut in emissions now, or an all-of-the-above strategy.

Great Lakes residents would be paying this off for 47 years ... but reaping the benefits for just as long.

Some things were never meant to go in the blue bin.

Filters on buses and smog-eating towers are not the answer.

London Fashion Week was disrupted by protesters who want the industry to declare a climate emergency.

"Most people are already operating ‘off grid’ in different ways to varying degrees, but the vast majority don’t feel the need to make a big lifestyle song and dance about it."

Nearly a year ago a "Great Green Wall" of trees was proposed to run across the entire southern border of the Sahara desert in an attempt to stop expanding desertification. At the TED Global conference in Oxford, England,

It's been a couple of years since the still-planned and so-called Great Green Wall of Africa graced the pages of TreeHugger, so here's a quick update and overview: As the BBC reports, African leaders are meeting in Chad to further push the

From Wangaari Maathai's Billion Tree campaign to lush permaculture landscapes in Jordan, we've seen how individuals and communities can reverse desertification and bring life back to arid soils. Now a new dramatized documentary

Kids deserve a better example than that.

The film director believes that ocean exploration could help us to prepare better for climate catastrophes.

70% of this potent pollutant comes from fossil fuels, not biomass burning.

Dead zones threaten wildlife and fisheries, taint drinking water, and impact communities. Keeping agricultural runoff out of waterways can help tackle this global problem.

For at least six weeks, thousands of barrels of tar sands oil have been bubbling up into the forest in Cold Lake, Alberta and neither the oil company or government scientists know how to stop the flow.

New research sheds new light on why Roman concrete is so strong and water resistant, but let's not get carried away here.

The Level Market wants to make the procurement of humanitarian aid and development products as easy as shopping on Amazon.

Author Craig Murray says, "The Earth cannot afford to indulge the pollution caused by massive air tourism."

It really isn't necessary but it sure is a lot of fun and you learn a lot. I am conflicted.

Lloyd's of London joins the ranks of big insurers who no longer see coal as a viable investment.

There is no resource more precious than water, so here are some great tips for conserving it.

Some might say it's slovenly. I call it cutting down my carbon footprint.

One-third of emissions reductions needed for 2 degree target could be achieved with better land management.

In order to prevent future pandemics, we need to change our relationship with wildlife

Who knew that knitting could have such a positive impact on our physical and mental health?

The sharing economy is getting more and more attention, but laws drawn up for traditional business don't always adapt well to informal sharing or collaborative consumption.

It's been a long time coming. Was it worth the wait?

Bill Gates take note: It's all in here and It is surprising how little has changed

We also have to start retiring what we already have and replacing it with cleaner power plants, furnaces and vehicles. Now.

Maybe other jurisdictions will learn from this.

The social media-driven practice is harmful both to wild animals and selfie-takers themselves.

Almost every American office building and home has this.

In the current issue of the The New Yorker, Ryan Lizza tells the story of how Tom Steyer, "a fifty-six-year-old billionaire" has thrown his clout and money behind the effort to stop the Keystone XL pipeline.