For years ,humans have been dumping the waste protects of industrial processes on the ground, in river or into the air . by using new and cleaner technologies we can reduce the amount of toxic substance produced and find ways to make them less damaging to the environment.
Earth is getting warming . scientist have been measuring the temperature and have notice that the global average is slowly increasing . this coincide with the increase of carbon dioxide in the atmosphere over the last 200 years .it is set to keep climbing.
More than one third of all flowering plants are vulnerable to extinction . many of these species could be valuable to humans ,but are being wiped out before their uses can be discovered .scientists are now going around the world looking for plants and taking their seeds for storage in seed bank .this way,they can grow new plants if their original habitat is destroyed.
Wild areas are important , but many are being destroyed or raided for their resources .organization around the world are trying to protect wildlife and habitats by building sanctuaries for endangered species,such as the orang-utan,and preserving key areas , including wetlands and forests.
Reforestation many of the world’s original forests have been cut down.forests are a vital ecosystem ,so in some areas new woodlands are being developed using native trees .if managed sustainable they will provide an income for local people and safe home for wildlife.