Richard G. Lugar, the longtime Indiana senator defeated in a primary by a candidate who dismisses global warming as “junk science,” says that most of his fellow Republicans “cannot admit to any nuance in policy on climate change.” [The Hill]
From refining to transport, a report explores Koch Industries’ long-term investment in the development of Canadian oil sands. [InsideClimate]
The European Space Agency declares Envisat, a satellite that collected valuable data on the Earth’s atmosphere, oceans, ice sheets and land masses for 10 years, to be officially dead. Controllers had been trying to regain contact with the satellite since it went silent on April 8. [Spaceflight Now]
A federal judge will hear arguments on Friday in Washington on a lawsuit filed against the federal government by five teenagers who want greenhouse gas emissions reduced to safeguard their future. [The Atlantic]
Britain’s environment minister urges citizens to confront people who they notice littering in public places. [The Telegraph]
Vaclav Klaus, the president of the Czech Republic, condemns the billboard campaign in which the Heartland Institute likened those who believe in global warming to the Unabomber. He says he still plans to deliver the keynote address this month at a Heartland conference in Chicago, however. [The Guardian]