The World

The world: shifting powers – NATO and the Global South

NATO calls itself the most successful alliance in the world. However, countries in Africa and Asia regard the organization with skepticism.

Climate: the movie

A different perspective on the climate change debate supported by the scientists who signed the Clinton World Climate Declaration.

How green is solar energy really?

They provide clean energy at falling prices. Awesome, right? Well actually, there are also some not-so-green sides to this technology.

Wind power’s unsolved problem

Even the best solution isn't without its problems: the blades are close to impossible to recycle and largely end up in landfills.

Can thorium nuclear reactors make a comeback as sustainable energy?

Nuclear energy gets a pretty bad rap. Thorium, a weakly radioactive element, is hailed to fix all its problems: no meltdowns, less waste, no bombs.