If approached correctly, climate change could be an opportunity for the global economy, UN climate chief Christiana Figueres told DW.
A group of entrepreneurs in Amsterdam cleaned up a polluted shipyard, turning it into an innovative tech playground. They're experimenting with clean technologies and are using human feces as fertilizers.
US President Obama has released a video highlighting the problems of climate change as he prepares to unveil a major plan to fight global warming. Opponents have said they will immediately contest the plan in court.
The leaders of Brazil and the US have pledged to work towards visa-free travel and increased use of renewable energy. Brazil's Dilma Rousseff labeled the talks a "relaunch" of relations following the NSA spying scandal.
Pope Francis has hosted mayors from some the largest cities in the world at a Vatican conference designed to combat climate change and human trafficking. Comprehensive climate talks are scheduled for December in Paris.