Every movement has its moment. And 2015 is ours. Here's why.

So you've decided to become a climate activist -- welcome! Here’s what you’re likely to hear from friends and family who might not be so convinced – and how to respond

Know what you’re getting into before the next holiday dinner. 

Follow what happens with these eight countries and you’ll have a good sense of which way the wind is blowing and what we can expect next year.

Looking back, 2014 was a huge year for climate action. Most importantly, it was a huge year for #ClimateHope.

Recently released transcripts of texts intercepted by the US National Security Agency reveal just some of what Big Polluters, Big Corporations, and their friends were asking Santa for this year. 

After two added days of talks, negotiators at the 20^th Conference of the Parties (COP20) in Lima finally got 196 nations to agree to address carbon emissions. 

In the past few days, a study by the National Oceanic and Atmospheric Administration (NOAA) has been getting a lot of attention in the press, which, sadly is something of a rarity for scientific reports. The short version is that the study looked at the ongoing drought in California and concluded it appears to be largely driven by natural atmospheric and oceanic variability, rather than human-induced climate change.

The goal is a finalized global climate change agreement that will drastically change our current business-as-usual approach to carbon pollution.