Stern urges US, China to talk on warming: China and the United States, key to tackling the climate crisis, are both acting on global warming and must start giving each other credit for it, former World Bank chief economist Nicholas Stern said on Tuesday. Reuters

Peter Garrett – a beacon for a contradictory age: It’s one of life’s ironies that the word target nestles easily within the surname of Peter Garrett. Ironic because he is clearly vulnerable. With the first parliamentary sitting in an election year, he’s in the headlights of the government. Already he’s had to act the rubber man on nuclear energy, then he’s pinned on his views on US bases in Australia. It’s excruciating to watch, but will it win votes for the government? Unlikely. Online Opinion

How will thirst for biofuels affect world hunger?: Using plants to feed our fuel needs sounds like a great idea, and it could be a moneyspinner for some poor countries, but it might well mean people go hungry as food prices rise. The biofuel boom is only just beginning yet already it has pushed up the cost of staples in places like Mexico where rocketing tortilla prices have sparked angry protests. Truth about trade and technology

So all may drink wisely from the Colorado: The seven thirsty states that drink from the Colorado River have learned a lot about conserving water, from desert landscaping to underground storage. But a credible new study shows that won’t be enough to solve the region’s water supply problem. Tough choices lie ahead. Christian Science Monitor

Turn the lights low: Astonishingly, it was Australia’s Liberal government, so deeply sunk in climate change denial for so long, that took the radical step of banning incandescent light bulbs. But then, John Howard, the prime minister, faces an election later this year, and Australia has been suffering from the worst and the longest drought in its modern history. So the electorate has been getting worried about climate change. The Telegraph, Calcutta

Germany has mildest winter in more than a century: Germany is experiencing its mildest winter in more than a century, with temperatures about four degrees Celsius (7.2 degrees Fahrenheit) above the average for this time of year, according to the German DWD weather service.