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vie2In a recent article on The Conversation, University of Melbourne Professor Emeritus Frank Larkins wrote that Australia's targets to increase renewable energy will make electricity more expensive, thanks to problems with consistency and storage.

But Professor Larkins is several years behind developments in renewable energy and its integration into electricity grids. In fact, we already have technically feasible scenarios to run the Australian electricity industry on 100% renewable energy—without significantly affecting supply.

maryrobinsonSecretary-General Ban Ki-moon has appointed former Irish President Mary Robinson as his Special Envoy for Climate Change to mobilize political will and action ahead of the climate summit that the United Nations chief will convene in September.

Mrs. Robinson, who will continue to serve as President of the Mary Robinson Foundation-Climate Justice, will work closely with Special Envoys John Kufuor and Michael Bloomberg in her new role.

co2 5The politically expedient way to mitigate climate change is essentially no way at all, according to a comprehensive new study by University of Chicago climatologist Raymond Pierrehumbert.

Among the climate pollutants humans put into the atmosphere in significant quantities, the effects of carbon dioxide (CO2) are the longest-lived, with effects on climate that extend thousands of years after emissions cease. But finding the political consensus to act on reducing CO2 emissions has been nearly impossible.

Environment AssemblyA United Nations body that focuses on the environment and has representatives from all 193 UN Member States is meeting for the first time today in Nairobi, to discuss issues such as illegal wildlife trade, chemical waste and air pollution, and new universal development goals.

The UN Environment Assembly (UNEA) “places environmental concerns on the same footing with those of peace, security, finance, health and trade for the first time,” the UN Environment Programme (UNEP) said in a news release from its headquarters in Kenya. “For many, the creation of UNEA is the coming of age of the environment as a world issue.”

forest treesEvery spring, as the weather warms, trees up and down the East Coast explode in a display of bright green life as leaves fill their branches, and every fall, the same leaves provide one of nature's great color displays of vivid yellow, orange, and red.

Thanks to climate change, the timing of those events has shifted over the last two decades, Harvard scientists say.