The average weather condition of any area is called climate. When in these weather conditions (sunlight, temperature, pressure, rain, and humidity), change takes place, it is called climate change. On tampering with nature, changes take place in balanced environment and several harmful effects are seen. Rapid industrialization, deforestation, increasing number of vehicles, are raising earth’s temperature due to which climate is changing. Polar ice has started melting. With climate change along with all environmental factorssea, ice, lake, rivers etc are affected. Due to the change of these environmental factors; earth’s creatures and vegetation are also affected.

Global concern on climate change : 

Climate change is a serious global problem associated with existence of our life and development. Natural calamities and their incidence are causing increased threats and problems for mankind. The indiscriminate exploitation of natural resources is causing nature related crises. The islands of the world are getting submerged. Hole in ozone layer is a great challenge. In this direction to attract world’s attention for the first time a conference of U.N.O. on human environment was held in Stockholm on 5 to 16 June 1972, in which a great discussion was made regarding the effects of climate change.

To celebrate the 10th anniversary of this conference, a conference of nations was held in Nairobi (Kenya) on 10 to 18 May 1982. On 20th anniversary of this conference. U.N.O’s earth summit was held in Rio De Janeiro (Brazil) on 3 to 14 June 1992, in which to face climate change problems, a UNFCCC treaty was made. Under it, a first joint conference on climate change was held in Berlin (Germany) in 1995. Since then, continuous annual conferences are going on.

From December 1 to 14, 2014, its 20th conference was held in Peru’s capital Lima, in which 194 countries and other organizations had participated. India’s representation was done by our minister, Prakash javedkar. The greatest achievement of this conference was a resolve to cut down on global carbon emission.

The 21st conference of UNO’s climate change was held in Paris from November 30 to December 12, 2015. In it the representatives of 175 countries signed on an agreement. It is a record of largest number of signatures on any agreement in the world in a single day.