In this case its suggested temperatures are rising because they are drawing heat from deep within the oceans. Its really that simple.
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Global warming could alter rainfall wind and heat patterns around the world.
Why is the earth warming. The earth is warming faster and for a longer period than it ever has in the last. If the earth warms polar ice caps could melt. Changes in the way land is used also have an impact on climate.
Decades of NASA data show the Earth is warming. Resulting in sea level rises which would endanger many people since some of these areas are heavily populated. We humans have been.
It is also why every year perhaps even every decade wont necessarily be warmer than the last. As climate change heats up the planet winters are warming faster than summers. The researchers say warming over the past century is a direct result of CO2 emissions and other greenhouse gases.
The agricultural belts of the. As the human population has increased so has the volume of fossil fuels burned. One hypothesis suggests that global warming is the result of whats called internal climate variability or changes in the interactions between the oceans and the atmosphere.
Global warming is the long-term warming of the planets overall temperature. The earth is warming Temperatures on Earth are already happening Smerdon said. NASA scientist James Hansen has tracked Earths temperature for decades and he is confident the global warming trend of 09 degrees Celsius observed since 1880 is mainly the result of human-produced greenhouse gases.
Earth has warmed in the past due to changes in the Sun volcanic eruptions and naturally occurring increases in greenhouse gases. This natural climate variability is the reason that as the vast majority of the world warms a few locations are cooling and many are warming even faster than the rest of the globe. The earth is warming because we humans are adding gasses to the atmosphere that trap heat.
Greenhouses gases such as carbon dioxide trap heat in the atmosphere that was on its way out to space causing Earths greenhouse effect to grow more intense warming the climate. There is no question that increased levels of greenhouse gases must cause Earth to warm in response. The greenhouse effect is the warming that happens when certain gases in Earths atmosphere trap heat.
Though this warming trend has been going on for a long time its pace has significantly increased in the last hundred years due to the burning of fossil fuels. Taylors research shows the Earths poles are warming faster than the rest of the planet because of energy in the atmosphere that is carried to the poles through large weather systems. For example when forests are cut down less carbon dioxide can be taken out of the atmosphere.
Ice cores drawn from Greenland Antarctica and tropical mountain glaciers show that Earths climate responds to changes in greenhouse gas levels. Modern global warming is the result of an increase in magnitude of the so-called greenhouse effect a warming of Earths surface and lower atmosphere caused by the presence of water vapour carbon dioxide methane nitrous oxides and other greenhouse gases. As the surface temperature rises the amount of ice and snow is decreasing and the number and intensity of heat waves are increasing Smerdon said.
Our ability to understand and explain past changes is one reason we are confident that recent changes are due to humans. These gases let in light but keep heat. But during periods of extremely cold weather many people wonder If.
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