what are the implications of greenhouse effect?
Answers
Heat gets trapped inside the blanket of greenhouse gases and the Earth becomes too warm. Greenhouse gases like carbon dioxide (CO2), nitrous oxide (N2O), and methane (CH4), trap heat in the atmosphere. With higher-than-natural concentrations, they lead to unnatural warming.
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Answer:
Explanation:
When the weather gets warmer, evaporation from both land and sea increases. This can cause drought in areas of the world where the increased evaporation is not compensated for by more precipitation.
In some regions of the world this will result in crop failure and famine especially in areas where temperatures are already high. The extra water vapour in the atmosphere will fall again as extra rain, which can cause flooding in other places in the world.
Worldwide, glaciers are shrinking rapidly at present. Ice appears to be melting faster than previously estimated. In areas that are dependent on meltwater from mountain areas, this can cause drought and lack of domestic water supply.
According to the IPCC, up to a sixth of the world's population lives in areas that will be affected by meltwater reduction.
The warmer climate will probably cause more heatwaves, more violent rainfall and also an increase in the number and/or severity of storms.ea level rises because of melting ice and snow and because of the thermal expansion of the sea (water expands when warmed). Areas that are just above sea level now, may become submerged.
For example, some Pacific Island nations are expected to be partially or completely submerged by the end of the century. Coastal and shallow marine plants and animals will be affected, for example mangroves and coral reefs.
In countries with large areas of coastal lowland there will be a dual risk of river floods and coastal flooding, which will reduce the area for living and working. Coastal defences will need to be strengthened, and river levees will need to be developed. The increase in standing water may allow more insects like mosquitoes and diseases spread by insects, such as Lyme’s disease.
The most recent meetings of scientists (2009 Climate Change Summit, Copenhagen (COP15) suggest that the consequences of increase in temperature caused by the greenhouse effect may be more severe than were previously thought.