Suzanne Goldenberg

With a slew of new climate change deniers entering Congress, Barack Obama's environmental ambitions are now dead

BP was aware of equipment problems aboard the Deepwater Horizon rig hours before the explosion pumped millions of gallons of oil into the Gulf of Mexico, a congressional hearing was told yesterday.

Danish text raised 'trust issues' between rich and poor countries but won't derail deal, says UN secretary-general

Campaigners are converging on Washington to press for the closure of 'Congress's own coal fired power plant', marking a political turning point for the future of the fossil fuel

· Administration concern at nuclear programme · Security situation in Iraq 'tragic' as attacks grow

Sudan's Islamist regime, once shunned by Washington for providing a haven for Osama bin Laden as well as for human rights abuses during decades of civil war, has become an ally in the Bush administration's "war on terror".

Suzanne Goldenberg on the last desperate days of a campaign too close to call

The wealth gap between white households and Hispanic and African-American families in the US has widened significantly, with the last recession inflicting a heavy toll on minority households, a new study said yesterday.