Lo and behold, the leaders of the two largest emitters of greenhouse gases came to an agreement to address the problem of climate change. Was it a visionary and bold plan to address emissions from the energy sector? No.
In his inaugural address this week, President Obama committed us to get back to work on the challenge of a sustainable energy future. But will this reignite the debate on climate change or have three widely publicized stories already done that for us?
You may hear it called black carbon or even elemental carbon. Scientists getting technical will call it the "light-absorbing part of particles suspended in the atmosphere." Let's just keep it simple and call it soot.
You have probably heard about melting Arctic ice and the drastic decrease in glacier size. And while you may be aware that the increase in greenhouse gases is to blame, at least in large part, you may not realize that a substance called black carbon is an accomplice.