Tyrell is required to find current information on the effects of global warming. Which website could he potentially cite as a credible source? Select four options.

a blog by an unknown person that accuses certain companies of contributing to pollution
a nonprofit website that provides information on how to clean up the environment
a recent newspaper article on global warming from a reputable news organization
a government website providing information on national efforts to investigate global warming
a magazine article about climate change in a respected scientific journal