Climate change ! Climate change refers to the change in the environmental conditions of the earth . The climate change has became a global concern over the last few decades , Besides , these climate changes affect life in various ways . These climate changes are having various impacts on the ecosystem and ecology . Due to these changes , a number of species of plants and animal have gone extinct . Humans will be affect with these climate changes because of the dangerous effect of climate changes . When climate changes occur , temperature can increase dramatically . When temperature rises , many different changes can occur on world . For example , floods , droughts or intense rain as well as more frequent and severe hear waves. We as a human being , we need to protect and start saving our earth by contribute in the fight of climate change . Individually , we can contribute to this in a lot of different ways . One of the big example is Green your commute . Trees play an important role as it provide oxygen and absorb carbon dioxide from the atmosphere . We need to encourage our community to plant more tress at everywhere possible .