Global warming is the long-term heating of Earth's climate system observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.
These phenomena include the increased temperature trends described by global warming, but also encompass changes such as sea-level rise; ice mass loss in Greenland, Antarctica, the Arctic and mountain glaciers worldwide; shifts in flower/plant blooming; and extreme weather events.”
Humans are increasingly influencing the climate and the earth's temperature by burning fossil fuels, cutting down forests and farming livestock. This adds enormous amounts of greenhouse gases to those naturally occurring in the atmosphere, increasing the greenhouse effect and global warming.
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It is caused by increased concentrations of greenhouse gases in the atmosphere, mainly from human activities such as burning fossil fuels, and farming.
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Jul 17, 2017
1830s
The instrumental temperature record shows the signal of rising temperatures emerged in the tropical ocean in about the 1950s. Today's study uses the extra information captured in the proxy record to trace the start of the warming back a full 120 years, to the 1830s.
Global warming is the term used to describe the rising of the average temperature on Earth. It has to do with the overall climate of the Earth rather than the weather on any given day. History of Global Temperatures. The Earth has gone through changes in temperature before.
Essay On Global Warming in 300 Words. Global warming is a phenomenon where the earth's average temperature rises due to increased amounts of greenhouse gases. Greenhouse gases such as carbon dioxide, methane and ozone trap the incoming radiation from the sun.
Global warming is a gradual increase in the temperature of the earth surface and atmosphere all around the world. It is caused due to the greenhouse effect of increased level of green house gases such as carbon dioxide, CFCs, etc.
Global warming refers to a continual rise in temperature, and as a result of this rise in temperature, our planet is becoming more heated, causing ice to melt on Antarctica and the amount of water in the seas to rise. Humans and their movements are the primary cause of global warming.
Answer: Global warming is the unnatural rise in the temperature of the earth's surface due to increased amounts of green house gases in the earth's atmosphere.
Global Warming means gradual increase in world's temperature caused by greenhouse gases. The impact of global warming can be seen in sea level, crops, rainfall, and human health.
Global warming is the current rise in temperature of the air and oceans. It happens because humans burn coal, oil and natural gas, and cut down forests. Average temperatures today are about 1 °C (1.8 °F) higher than before people started burning a lot of coal around 1750.
1 There are various causes of global warming both natural and manmade. The natural one includes a greenhouse gas, volcanic eruption, methane gas and more. Next up, manmade causes are deforestation, mining, cattle rearing, fossil fuel burning and more.
Increased heat, drought and insect outbreaks, all linked to climate change, have increased wildfires. Declining water supplies, reduced agricultural yields, health impacts in cities due to heat, and flooding and erosion in coastal areas are additional concerns.