Scientists Have Given A Dire Warning On Rapid Climate Change

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Continuous burning of fossil fuels has increased the level of carbon dioxide in the atmosphere. The concentration of CO2 in the air could raise from 400 parts per million from now to 900 parts per million until the end of this century, the study warns. This change would be highest in the human history. By the end of the year 2400, the concentration level of atmospheric carbon dioxide may hit 5,000 parts per million if we continue burning the fossil fuels on Earth. The increased level of CO2 has also led to melting of ice sheets in Antarctica and Greenland that in turn increases the sea level.

Hansen, an adjunct professor at The Earth Institute and Director of the Program on Climate Science, Awareness and Solutions predicts the sea level could flow 10 feet within 50 to 100 years. In one of the study conducted scientists recorded the atmospheric concentration of carbon dioxide from last 420 million years. They collected the information from more than 1,500 estimates of atmospheric carbon dioxide concentrations drawn from 112 published studies.

According to the researchers, the Global warming would highly increase due to the combination of greenhouse gases and the hotter solar radiations of the sun, as the sun continues to grow brighter. A press conference was conducted in which Hansen revealed his findings. Scientific findings are usually reviewed by another scientist before publication. But as the conference was conducted before the release of the paper, reporters in the conference call asked how the paper should be received under such situations to which Hansen replied that the paper would be judged by the science.

Scientists say that the sun would have been dimmer millions of years ago. This information was based on the knowledge that considers the way stars generate energy. But as the time passes, the hotter intensity of sun has increased and will continue to increase for millions and billions of years ahead.

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