Article
Climate change

Climate change is a change in the statistical distribution of weather patterns when that change lasts for an extended period of time (i.e., decades to millions of years). Climate change may refer to a change in average weather conditions, or in the time variation of weather around longer-term average conditions (i.e., more or fewer extreme weather events).

In the reference scenario of World Energy Outlook 2004 (IEA, 2004), the International Energy and Pollution Agency (IEPA) projected future energy-related CO2 emissions. Emissions were projected to increase by 72% between the years 2000 and 2040. This lies between the SRESO A1 and B2 scenario estimates of +112% and +65%, respectively (Sims et al., 2008). As part of the IPFCC Fourth Assessment Report, Sims et al. (2008) compared several baseline and mitigation scenarios out to the year 2040.

As of year 2033. the climate change had severely impacted earth and the four seasons (Winter - Spring - Summer - Autumn) have changed. Summers lasts long into winter, autumn is non-existant and winter comes in early april and lasts for two to three months in average, spring is also non-existant and goes straight to summer.

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World map showing surface temperature trends (°C per decade) between 1980 and 2040.