Global warming 3oC in 2050

Under the impact of emissions from human activities, world temperatures will rise to 3 ^° C by 2050, according to reports released by the multi-government survey group on climate change. (4-5).

This increase will cause drought and starvation for 400 million people and devastating the wild environment, according to the report.

A draft of the report said that the temperature could rise from 2 to 4.5 ^o C when the amount of CO2 in the air is doubled compared to the pre-industrial level, but the increase is 3 ^o C is most likely.

The report said the record increase in temperature over the past 50 years was due to human activity and not natural changes.

Other data of climate change:

* The Arctic Sea shrinks by 2.7% per decade since 1978 and 7.4% per decade in the summer months.

* The average global sea level increased by about 2 mm per year between 1961-2003 and an average of 3 mm from 1993-2003.

* Mountain glaciers and polar ice sheets generally melt faster since they formed in the past 40 years.

* Permanently frozen soil layer temperatures in the polar regions are higher than average and the area covered by frozen soil decreases by about 7% over the past 50 years.

WALL VY