It was hard to find a happy soul at the end of the Rio+20 environmental summit.

Today in Rio de Janeiro, France will receive the WWF Leaders for a Living Planet award. This award recognizes France’s commitment to promoting the 1997 UN Convention on Transboundary Watercourses.

Mashable will be in Brazil to host Rio+Social, working with our Social Good Summit partners the United Nations Foundation and the 92nd Street Y. The event will explore how social media and technology can help create sustainable solutions for the future of the planet.

American diplomats are making progress in heading off possible international proposals to increase Internet regulation by the United Nations, a top State Department official told a House subcommittee on Thursday. A range of American lawmakers, businesses, and nonprofit organizations fear that some countries will try to use negotiations over international telecommunications treaties in December to expand the authority of the International Telecommunication Union, the U.N. organization that has historically overseen international telecom policies.

Rio+Social brings together leaders in social media, technology, global issues, and sustainability at Rio+20, the United Nations conference on sustainable development taking place next month. Influencers, bloggers, innovators, policymakers, NGO representatives, and stakeholders are invited to attend and apply for accreditation at http://www.rioplussocial.com.

The largest-ever United Nations conference, a summit billed as a historic opportunity to build a greener future, appears to be going up in smoke. U.S. President Barack Obama likely won't be there, and the leaders of Britain and Germany have bowed out. The entire European Parliament delegation has canceled. And with fewer than six weeks to go until the Rio+20 conference on sustainable development, negotiations to produce a final statement have stalled amid squabbling. Logistical snags, too, threaten to derail the event.

Voices of the next generation will have the chance to participate in an exclusive global conversation with UN Secretary-General Ban Ki Moon via a Google+ Hangout from the United Nations headquarters...Youths from Europe, Asia, Africa, Latin America, the Middle East, and the United States will be able to ask questions on issues that matter to them.