June 7 News: Enviros Warn Of Collapse At Rio Earth Summit; UN Secretary General Says He’s ‘Optimistic’ About A Deal

The United Nations secretary general, Ban Ki-moon, expressed cautious optimism that the upcoming Rio+20 conference will result in a “once in a generation” blueprint for global sustainable development. [Guardian]

The Rio+ 20 Earth summit could collapse after countries failed to agree on acceptable language just two weeks before 120 world leaders arrive at the biggest UN summit ever organised, WWF warned on Wednesday. [Guardian]

The energy and fishing industries along the Gulf of Mexico must begin now to adapt to the effects of climate change, including rising sea levels, more intense hurricanes, loss of coastal wetlands, and the biological effects of warmer water temperatures, according to a report released at a news conference Wednesday by three Louisiana State University scientists. [Times-Picayune]

Gasoline prices are falling, but that hasn’t stopped Republicans from attacking President Barack Obama’s energy policy. [Wall Street Journal]

A freshman Democratic senator thinks he may have found a way to encourage investment in wind, solar and biofuel projects without sapping too many taxpayer dollars or injecting new venom into a bitter partisan battle over energy incentives. [Reuters]

At the same time that high crop prices are prompting farmers to expand into millions of acres of land once considered unsuitable for farming, Congress is considering expanding a federal insurance program that reimburses farmers for most losses or drops in prices. [New York Times]

Garbage is heaping high around the world. According to the World Bank, many cities now devote more resources to coping with their trash than to any other single task. [Wonk Blog]