A new study suggests environmental factors contributed to the downfall of the great empire.
The Climate Desk
It depends on who you ask. In this Climate Desk podcast, we pose the question to a rabbi, a Muslim author, an evangelical pastor, and one of the founders of Ark Encounter, a Biblical theme park under development in Kentucky.
Just as diplomats gathered to draft a new climate change accord, U.S. embassy cables released by WikiLeaks suggested that world leaders were largely pessimistic about the chances for success.
President Obama reached an unusual clean energy agreement with India during his trip there last week. So what role does this emerging power play in the fight against climate change?
Much has been said about the results of the midterm elections. But what about their impact on climate change? Need to Know talks to Kate Sheppard of Mother Jones to find out.