Use the Topic Portals in Opposing Viewpoints to get both sides of the issue: opinions, overviews of issues, reference sources, statistics, websites, and more.
Use the Topic Portal in Science in Context to get reference content, full-text magazines, academic journals, news articles, experiments, images, videos, audio files and links to vetted websites
"Global Warming" - Choose your reading level! Watch the video and then explore the linked articles and resources placed all around the page
Topic Portals provide an overview, international perspectives, articles written by local experts, reference, periodical, primary source and statistical information. Also includes podcasts, video, and interactive graphs.