Part 1 of 5 · freeIntroduction
Picture a closed car in the sun: the windows let the light in, but the heat struggles to get back out. The inside warms up. The Earth's greenhouse effect works a little like that, with air in place of glass.
The phenomenon is natural and vital. Without it, the average temperature of the globe would drop toward -18°C. With it, we sit around +15°C. Today's problem is not that it exists: it is the rapid amplification caused by our own activities.
The rest is in the Sophia app.The remaining parts, the open-book quiz and the full glossary. Free to start; Premium unlocks everything.
- 2How the planet keeps its heat
- 3When humans thicken the blanket
- 4What a more energetic climate changes
- 5Limit the rise, adapt to the rest
Open-book quiz9 questions whose answers are in the text.
Glossary10 terms explained in a tap.
30 languagesThe same course, from French to Japanese.
