carbon dioxide emissions

The trees that are most affected by climate change
The study of climate change ecologists has detailed how plants in the US will have the hardest time to adapt when the world warms up.
If the amount of CO2 continues to rise, the Earth will return to the period of dinosaurs
By 2400, CO2 concentrations could exceed all the limits recorded in geological records.
Earth experienced the hottest period of 1,400 years
The surface of the Earth has touched the warmest average heat at the end of the 20th century, the time that is thought to be the hottest in 1,400 years.