It’s the second day of the United Nations Framework Convention on Climate Change. For the next two weeks, delegates from 194 nations will meet in Durban, South Africa to discuss the future of international climate change legislation. But amid such concerns as the looming expiration of the Kyoto Protocol, a perennial question emerges: Why have actions to stanch global warming been so timid? And will this conference do anything to change that? Author and environmental activist Bill McKibben shares his opinions on these matters.