The term global warming refers to the rise in the average temperature of the planet,
due to the accumulation of greenhouse gases in the atmosphere as a result of various natural
and human activities. These greenhouse gases, such as carbon dioxide and methane, have
the tendency to trap the Sun’s heat in the atmosphere, in a phenomena referred to as
the greenhouse effect, and contribute to the problem of global warming.
The main causes of global warming can be broadly categorized into two groups –
natural causes and human causes. The natural causes of global warning, such as the solar
variation, natural release of the methane gas, volcanic eruptionetc., do not cause much harm
to the planet. In fact, these natural causes play a crucial role in regulating the temperature
of the planet, and absence of these world have resulted in frying conditions on the planet.
The human causes of global warming, on the other hand, include several human activities
which result in accumulation of various greenhouse gases in the atmosphere. These activities
include pollution caused by vehicles and industries, methane released by mining, fossil fuels
used in energy plants and cattle – rearing, depletion of oxygen as a result of deforestation,
etc. It’s obvious that cattle – rearing generates more global warming than transportation.
There are various examples of some of the most several global warming effects on
earth