In recent months, some cities have made bigger strides than others in an effort to reach sustainability goals. Here are the top five greenest cities in the world, as chosen by GlobalPost.com.

Venezuela is at war with a severe drought that has caused an electricity crisis and forced the government to resort to unconventional methods to make it rain.

Walmart announced that it would be moving to eliminate non-biodegradable plastic bags from stores across the U.S. While they’ve demonstrated positive green initiatives, there’s been accusations of hypocrisy because they’ve been passing off a harmful, manufactured textile as sustainable.

How global warming is changing wine production around the world.

Deforestation made the country poor, and the destitution exasperates environmental degradation.

GlobalPost’s Mort Rosenblum on how we’re out of time on global warming and why Copenhagen needs to get some tangible laws.