The rise in temperature on the surface of the Earth at the unnaturally during the 20th century over the primary factor is the greenhouse gases released from burning fossil fuel power.
The increase in temperature on the surface unnatural during the last century. The main reasons are Greenhouse gases are emitted by the burning of fossil fuels.
The rise of the temperature on the earth"s surface unusual during the last century, with the main factor. Greenhouse gases released from the burning of fossil energy.