Environment Nowadays human activity has had a negative impact on planet and animals around the world.We build many houses fabrics and they kill water animals and slowly destroy our planet. Some people think that it cannot be changed, but i believe that we can change all. Scientists can invent new types producers of energy or something like this . We need to collect garbage after us and drop it into a litter. Destroying our planet can lead to global warming. Nowadays there are many acidic rains which ruin forests rivers and lakes.We also suffer from contaminated air, the number of diseases is increasing. Be decent people, take care of the environment and do not forget that if you do badly on the planet then it will return then boomerang.