Explainers & Big Questions
12 Facts About Climate Change
In the 1980s, climate change sounded like a far-off problem. Today, school kids, farmers, and coastal city mayors all use the term because they see changes around them.…
Geography hub
Environmental Issues
Water scarcity, pollution, habitat loss, sea-level rise, and sustainable solutions—global problems, local cases.
Explainers & Big Questions
What is Climate Change?
Climate change is a long-term shift in Earth’s climate system, not just a run of hot days or a bad season. The modern change matters because it is…
Explainers & Big Questions
Which Country Has the Most Volcanoes?
People ask this a lot—and get different answers. That’s because “most volcanoes” can mean (1) the most volcanoes known to have erupted in the last ~12,000 years (the…
Explainers & Big Questions
Which Countries Have No Snakes at All?
Most of the world has snakes, from tropical forests to semi-arid hillsides. But a handful of places buck the pattern. If you’re ophidiophobic (afraid of snakes), the map…