climate change

Climate Change Already Impacting Wildlife in PA

A new report from the National Wildlife Federation shows that even small changes in weather—like warmer, wetter winters—are impacting wildlife in Pennsylvania now.

Analysis: Obama Vows to Act on Climate Change, Details Still Unclear

Energy, climate change and fuel efficiency made up about 10 percent of President Obama’s first State of the Union address this term. The Allegheny Front's Ann Murray has this analysis, along with some reaction from listeners at a Sierra Club Allegheny watch party.

Obama Vows to Attack Climate Change: What Will The Next Four Years Bring?

In his inaugural address, President Obama promised to respond to the growing threat of climate change. With a divided Congress, what can the president actually do in the next four years to bring down the level of carbon dioxide and other heat trapping gases?

Report: Biomass Pollutes Air and Harms the Vulnerable

Biomass burners are often touted as relatively clean and renewable energy sources. But a new report says the burners are sending unmonitored pollutants into the air near vulnerable groups of people, such as school children while receiving $70 million in subsidies.

The Future of Energy: An Interview with an Expert

If we are using more natural gas to power our homes, our factories, and our lives in general, what are the climate implications of this change? And what role will fracking in shale formations and other unconventional sources of energy have on climate? One expert on climate change weighs in.

Why Methane is a Potent Greenhouse Gas

Methane is up to 100 times more potent a greenhouse gas than carbon dioxide. To explain why, the story begins not on earth, but in space.

Prez Debates Yield No Mention of Climate, Little on Environment

You're invited to a happy hour and lively conversation about environmental issues in this election with leading environmental news v

Science Ambassadors: Getting the Details Right

It seems like every year produces more evidence that humans are changing the climate of planet Earth -- and more counter-claims, and accu

Is Climate Change Ruining Summer: A National Wildlife Federation Report

This summer has been a scorcher. July was the warmest month on record. Much of the country has been suffering from the worst drought conditions in five decades and wild fires have raged over millions of acres. The National Wildlife Federation has just released a report that asks a question that many people may be pondering: Is climate change ruining summer?