TOXIC GASES EXPELLED BY CARS. | | |
THE RISE IN TEMPERATURE CAUSED BY GASES IN THE ATMOSPHERE. | | |
ANIMALS WHICH ARE IN DANGER OF BECOMING EXTINCT. | | |
POLLUTED WATER FALLING FROM THE CLOUDS. | | |
A DENSE FOREST IN A TROPICAL REGION. | | |
IT PROTECTS US FROM THE SUN’S ULTRAVIOLET RADIATION. | | |
THE NATURAL WORLD IN WHICH PEOPLE, ANIMALS AND PLANTS LIVE. | | |
CUTTING DOWN TREES OVER A LARGE AREA. | | |
PUT USED OBJECTS AND MATERIALS THROUGH A PROCESS SO THAT THEY CAN BE USED AGAIN. | | |
THE POWER THAT COMES FROM COAL, ELECTRICITY, GAS, ETC. THAT IS USED FOR PRODUCING HEAT. | | |