A global median of 54% consider climate change a very serious problem. But there are regional differences on the issue, with the U.S. and China among the least concerned.
Canadians have positive views of the U.S. and are generally satisfied with their relationship. But they disagree on whether to build the Keystone XL pipeline, with more Canadians opposed to the project compared with Americans.
People in sub-Saharan Africa are optimistic about their future, but they also recognize that their countries face tremendous challenges — identifying health care and education as top concerns.