Dear EarthTalk: What is the best way to measure how close we are to the dreaded “point of no return” with climate change? In other words, when do we think we will have gone too far?David Johnston,...

The $1.1 trillion omnibus spending bill signed by President Barack Obama contains many giveaways to Wall Street, casinos and the coal industry.But the ones that might do the most severe damage long-term...

Global warming talks in Paris next year have a better chance of reaching a productive conclusion now that the two biggest economies in the world, which also happen to be the two biggest climate polluters,...