What a difference a year makes. Last year's United Nations climate change conference generated optimistic buzz for months leading up to its opening gala. On the other hand, this year's conference, which opened today in Cancun, Mexico, has been accompanied with very litt
As the latest United Nations (UN) climate summit appears on the horizon, the UN has released a report that says current emissions pledges will not prevent temperatures from rising this century. Meanwhile, China has acknowledged it is the world's largest emitter, but refuses to halt emissions at the expense of its economy.