The Greenhouse Effect

Without the greenhouse effect, our planet would be too cold to inhabit, but it's currently a major cause of global warming. What is the greenhouse effect, and why is it such a conundrum? Earth Science - Human Impacts - Learning Points. The greenhouse effect is a process whereby gases in our atmosphere trap heat close to the Earth's surface. The greenhouse effect enables humans to survive by increasing global temperatures. Burning fossil fuels, deforestation and agriculture all increase the amount of greenhouse gases in our atmosphere. Human activities are accelerating the greenhouse effect. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.