Over the past 15 years more than a billion people have escaped poverty. DW looks at the role the growing middle class plays around the world - and how it can contribute to political and societal change.
Young people from around the world have gathered in Berlin for the Youth Sustainability Summit. They are discussing ways to protect the planet, but saving the environment isn't easy.
Germany's parliament has begun lengthy debate on draft legislation to find the safest possible underground site to stash waste from nuclear power stations for eons. Legislative details have already sparked ructions.
The Arctic Council has accepted China and other Asian states as permanent observers. With climate change making the region more accessible to shipping and commercial exploitation, countries are lining up to join.