Climate scientists from around the world urged delegates at United Nations-led talks in Bali on Thursday to make deeper and swifter cuts to greenhouse emissions to prevent…

The United States on Thursday took a first step towards mandatory controls on greenhouse gas emissions, in direct defiance of the Bush administration’s policy on climate change.…

United States President George Bush paid a surprise visit to a US military base in Iraq on Monday, in a piece of stagecraft intended to bolster support in Congress for the…