Quotes on Environmental Challenges

We have to understand the ubiquity of energy in everything we do. Energy is core to our economy and it brings with it environmental challenges, and it's core to our security challenges.

Global warming is not only the number one environmental challenge we face today, but one of the most important issues facing all of humanity... We all have to do our part to raise awareness about global warming and the problems we as a people face in promoting a sustainable environmental future for our planet.

Global warming is not just the greatest environmental challenge facing our planet - it is one of our greatest challenges of any kind.