Keeping our planet clean● We throw away waste on

street every day. We can garden waste and food waste throw in compost. Other waste we can recycle.

Compost

Reducing travel

● We travel to school or to work every day. Cars, bus, planes all put carbon dioxide into the air. We can walk or cycle.

Cleaner cars and planes

● Engineers are trying to make plane engine that don´t polllute the air, but it´s very difficult.Some plane can fly using biofuels.

Modern cars have machines called catalytic converters that change exhaust gases into cleaner gases. Instead of using gasoline, some cars use electricity.

Cleaner cars Cleaner planes

Zdroje: www.google.czVypracoval: Jakub Rous