Greenhouse gases, Gases in the air that keep the Earth warm by trapping heat from the sun., Carbon dioxide, A gas that people and animals breathe out and that cars and factories produce; it can make the Earth warmer., Fossil fuels, Energy sources like coal, oil, and gas that come from plants and animals that lived a long time ago., Glacier, A large, slow-moving mass of ice found in cold places like mountains or near the North and South Poles., Sea level, The height of the ocean’s surface, which can rise when ice melts., Smog, Dirty, smoky air that can make it hard to breathe, often found in cities., Renewable energy, Energy from natural sources like the sun or wind that will not run out., Drought, A long time without rain, which can make plants and animals thirsty.

Leaderboard

Visual style

Options

Switch template

Continue editing: ?