Days ahead of the U.N.’s global negotiations on climate change, China and other developing countries said trade restrictions should be part of the talks.

At a meeting of emerging economies, Vladimir Putin positioned himself as a respected and powerful leader, ignoring the condemnation he receives from the West.

The Russian leader hopes to use the meeting of the so-called BRICS group, which includes China and India, as a counterweight to the West.

Food production is concentrated in too few countries, many of which face water shortages, the researchers said.

Many middle-income countries are left out of the deal, widening a gulf in access to critical medicines.