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Videos from Steve Hamburg
What are other countries' perspectives on climate change?
What are different U.S. perspectives on climate change?
How can we reduce emissions?
What are some alternative energy sources?
Can we preserve the environment and have economic growth?
What are other pressing global environmental problems?
How do we know that climate change is getting worse?
Who are you and what do you do?
What are some of the consequences of climate change?
Can the actions of individuals make a difference?
How did you get Walmart to become more eco-friendly?
What is carbon trading and is it an effective method to reduce emissions?
What is the Kyoto Protocol?