Topic: Jim Hansen

Keystone pipeline, now a political football, won't determine oil sands endgame

Keystone pipeline extension, part of payroll tax bill approved by the US House, has met fierce resistance from Democrats, environmentalists. But they're aiming at the wrong target if they want to slow Canadian oil sands development.

Can carbon 'cap and trade' make a comeback?

The recession has dampened enthusiasm for cap-and-trade legislation.

Liability issues related to new anti-climate change initiatives

Finding the right metaphor to treat climate despair

Pro and con views on the global warming debate

Greenpeace activists cleared of damaging UK power plant

The court ruled that, by shutting down the plant, the activists were preventing greater property damage from climate change.

Probe finds NASA suppressed climate data

A report released Monday by NASA's Inspector General found that political appointees in the space agency's public affairs office deliberately played down research on climate change.