Global warming is basically the rise in the average temperature of the earth's climate and its relative effects.
The effects of global warming include rise in global temperature, increased sea levels, change in the precipitation pattern, and expansion of the deserts.
When the harmful gases are emitted into our atmosphere by factories, vehicles, etc. these gases actually trap the heat inside the atmosphere due to which the temperature is rising .
Due to the rise in temperature the ice caps in the poles are also melting due which the sea level is rising ,due to which the flow of water is getting affected due to which the air currents also get affected and due to this there is change in the weathers and climates at various places.
This all is harmful for the future and green ways should be used to reduce the effects of global warming.