China has announced that it will invest $361 billion in renewable energy through the end of the decade — another signal that the world’s most populous nation is serious about combating climate change. The investment, Reuters reports, will continue China’s shift away from coal and other dirty fuels. In addition to fighting climate change, investing in clean energy should help China address its air-pollution problems. Major cities like Beijing are often blanketed in smog, due largely to coal burning and other industrial activity.