The report argues why a beef tax would be an effective step toward curbing greenhouse gas emissions and why we should all be paying more for climate-damaging foods.

This city used to be a model for the future of biking in North America. Now it is just a deadly mess.

Actually, this is something every country needs.

Changing attitudes about cities and getting people out of cars takes a lot of work.

One of America's fastest growing professions, wind turbine technician, attracts people with a unique set of skills, as demonstrated by climber and composer Jessica Kilroy.

Even though there has been notable progress, at current poaching rates elephants are still in danger of becoming virtually extinct on the continent.

For me, organizing is about people. I love that moment when a new volunteer realizes that she has the power to effect change. That she has the power to influence decision-makers and make a positive impact in her community.

It has become a familiar pattern. A natural disaster occurs and we can't help but wonder how it may have been influenced by climate change. Here's a look at how the Colorado rains and flood were connected to global warming.

The Mountain Pine Beetle is getting more press because of the havoc it is causing in the Southern Rocky Mountains, but the Spruce Beetle has the potential to be equally or even more devastating in Colorado.

What these cars are capable of will come as no surprise to EV fans, but winning the King of the Mountain title puts another feather in the EV cap

A new episode of the War on Cars looks at an issue dear to my heart.

Urine for a surprise as Alex Wilson concludes that urine collection beats composting. I was, because they are not mutually exclusive.

Nutrient cycling is important. But it's not something you want to get arrested for.

President Obama’s State of the Union speech takes aim at climate change deniers.

Yesterday, U.S. President Barack Obama and Indian Prime Minister Narendra Modi announced a deal to work together against climate change.

Trudeau doesn't seem to understand what 'climate emergency' means.

Here are some tips for taking your recycling to the next level.

The War on Cars pitch wins conservative votes across North America.

Just when you think it can't get any crazier in US politics, it does.

Why can't we all just get along? New campaign humanizes cyclists.

To highlight the accelerating disappearance of Arctic sea ice, this man plans to survive alone on a melting iceberg for up to one year.

Finally, talking about lifestyle changes and using less instead of buying more green stuff.

Why stop there? Helmets for everybody!

An advisory panel says only experienced climbers should be allowed.

Can you guess which European cities have the highest percentage of walking + bicycling + public transport? Give it a shot.

Recyclability is key at yök's eco-renovation. First, preserve everything we can, then recycle everything that has to go and lastly, make sure any new stuff is recyclable in the future.

Most wild coffee species are at risk for extinction.

£1 million in grants will be divided among groups wanting to improve recycling facilities. But why should people have to compete for help in dealing with Starbucks' own trash?

Douglas Brinkley at Rolling Stone sat down for an hour with Vice President Joe Biden and the topic of climate change made up considerable bulk of the interview. It's worth a read

The White House released a preview video announcing President Obama will make a major national address on climate change, Tuesday, June 25.

On Tuesday, President Obama will give a major speech on climate change. He is expected to make major policy announcements, including the regulation of existing power plants. Here are some reactions from around the web.

Today, President Obama announced his new climate change plan, which includes a proposal to establish new rules for cutting carbon pollution from existing power plants. Read the plan and watch the speech here.

What should we make of President Obama's speech yesterday announcing his plan for addressing climate change? Here are four key moments worth remembering.

On Tuesday, President Obama announced his new climate change plan. Below is an infographic produced by the White House illustrating some facts about climate change and how these new proposal

If you're wondering why Congress has yet to tackle this global crisis despite overwhelming scientific consensus and ballooning costs of inaction, Think Progress maps which members of Congress deny the realities of global warming.

In his weekly address on Saturday, President Obama spoke about his new climate change plan.

Three Republicans and former administrators of the Environmental Protection Agency penned an important op-ed in The New York Times arguing for a Republican case for climate action.

A new poll conducted for the League of Conservation Voters found strong views among young voters, including young Republicans, regarding climate change denial.

Today, President Obama signed an Executive Order (E.O.) establishing a Task Force on Climate Preparedness and Resilience.

President Obama talks about the need for climate action in the state where he recently green-lighted off-shore drilling.

Two are doing well, but the rest aren't doing nearly enough, according to Stand.earth.

The hot real estate plays of the next decade will be in the rust belt along the Great Lakes.

Teams operating in remote sites on military or humanitarian missions can be stalled by broken equipment. They could soon be turning their own wastes into raw materials for 3D printing parts needed to get their job done.

Children born today will grow up in a disease-ridden, malnourished world, unless governments stick to the Paris Agreement.

The Thermal Resilience Design Guide from Ted Kesik could be a new standard.

They could also make their vehicles less deadly, but let's put the onus on the cyclist first.

Bristol's airport expansion gets cancelled in a shocking act of doing something meaningful to go carbon neutral.

The political football that is the third runway gets kicked down again.

The GHSA blames the switch to light trucks, bad road design, distraction and even climate change.

It's the only way to deal with reduced capacity in the underground, and is a great example for other cities.