But some thoughts on why they should...

Single-use cups don't need more sorting. They need to be eliminated.

Teamwork pushes bold initiatives through.

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.

After an unprecedented delay, the Senate finally voted 59 - 40 to confirm Gina McCarthy as the new administrator of the Environmental Protection Agency.

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.

It took a while, but there will soon be solar panels on the White House.

We've long known that sea level rise caused by global warming would threaten communities along the coasts, but a new study puts a startling figure on the potential damage. Meanwhile, the Hurricane Sandy Task Force releases a report.

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.

Steve Horn reports that in addition to expediting the southern leg, Executive Order 13604 also led to the expediting of 48 other oil pipeline projects.

The New Yorker's Ryan Lizza spoke with Fresh Air's Dave Davies about the Keystone XL pipeline and how because of the government shutdown, now is a good time to take action on climate change.

Bill McKibben makes a strong case that despite the EPA's new power plant regulations and increasing fuel efficiency in cars, President Obama has largely been a failure in terms of pursuing a progressive energy policy

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

Was focusing on Keystone XL a mistake? Recent debates on that issue within the environmentalist community have caused some controversy. Here's a look at what people are saying.

The 6.3kW solar array might not produce enough energy to power the White House, but its symbolism is important.

Lets give a high five to these scientists who show that shaking hands is a filthy idea.

But do they have the courage to do it right?

Download it while you can.

The TreeHugger view is that hey, we like trees, and parks are precious, especially when they are designed by the likes of Frederick Law Olmsted.

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

All new clothing items from now on will be made with fake fur.

Stay cozy in the knowledge that you're diverting plastic waste and reducing demand for new material.

The actor told protestors last week that her red coat "is the last article of clothing" she'll ever buy.

The components can be recycled, upcycled, or composted – but never landfilled.

His analysis is both informative and humorous – a perfect way to spur people to action.

The Forever Floatride GROW is made with castor beans, algae, eucalyptus, and natural rubber.

Pangaia's FLWRDWN offers a cruelty-free and sustainable option for keeping warm.

Along with the iconic Hunter rainboot, the company has a huge collection of items that have no animal materials or animal by-products during the manufacturing process.

It's a trial program in Denver, but is likely the way of the future.

It's just one of several beautiful and practical designs from Sumsaara.

I am pickier, stingier... and much happier.

A handy kit makes it easy to clean, protect, and maintain boots and shoes of all kinds.

And the way they're made is less wasteful than conventional shoe production.

'Merching for a cause' perpetuates many of the problems it claims to help.

This reduces demand on animals, diverts waste, and minimizes environmental impact.

The key to sustainable fashion lies in simplifying materials and design.

We need a new approach to making and buying clothes because the current system is unsustainable.

Better yet, Citizenne Style's tips don't require you to make any new online purchases.

The index, published by Fashion Revolution, assesses how brands disclose information about business practices, not their ethics or sustainability.

A short video measures fashion waste against famous landmarks to give some perspective.

In London: get rid of cars. In New York: get rid of people.

Shipping containers are the base for an instant "lush urban oasis."

Daniel Herridges of Strong Towns says, "If your goal is to promote public safety, design for the humans you have, not the ones you wish you had."

Analysts say people are chasing affordability.

Much depends on how you define "safe"

NACTO lays out a vision for how autonomous vehicles, and technology more broadly, can work in service of safe, sustainable, equitable, vibrant cities.

Particulate pollution is killing us, and we can't pretend we can just open a window.