People across the globe see the threat of religious and ethnic violence as a growing threat to the world’s future, with concern especially strong in the Middle East.
Prior to the most recent Ebola outbreak in the western parts of the continent, a median of 32% across the seven African nations polled feared infectious disease as the top danger. In the Middle East, the top danger is ethnic and religious hatred.
In the U.S., a solid majority believe there is evidence that global warming is happening, but they do not rank global climate change as one of the top threats facing the country.
Census figures show that North Dakota led the nation in population growth over the past five years, at 12%, and men have accounted for two-thirds of it.
President Obama is expected to announce a new rule cutting emissions from coal-fired power plants. A Pew Research Center survey last September found support for action to cut emissions.
Average temperatures have risen over the past century in nearly every part of the U.S. outside the Deep South.
Some Democratic senators may join with Republicans to vote for building the Keystone XL pipeline. It's an issue that divides Democrats, a Pew Research survey found in March.
An international panel of scientists warned yesterday of that the world is already experiencing the effects of climate change and it will get worse -- highlighting a problem that people in many countries see as a major threat.
While Republicans and independents continue to favor constructing the Keystone XL pipeline, Democrats are divided. Opposition to the pipeline is most widespread among highly educated Democrats, liberals and Democrats with high family incomes.
More than six decades of global temperature data, condensed into a 15-second visualization.