describe the global warming problem. what are the primary gases involved in the green house effect/global warming. how are the gases generated
http://en.wikipedia.org/wiki/Greenhouse_gas
http://en.wikipedia.org/wiki/Global_warming
Global warming is a significant environmental problem that refers to the long-term increase in Earth's average temperature. It is primarily caused by the greenhouse effect, which is the trapping of heat in the Earth's atmosphere due to certain gases.
The primary greenhouse gases involved in global warming are carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O). These gases contribute to the greenhouse effect by absorbing and re-emitting thermal radiation, trapping heat in the atmosphere.
Now, let's discuss how these greenhouse gases are generated:
1. Carbon Dioxide (CO2): The largest contributor to CO2 emissions is the burning of fossil fuels like coal, oil, and natural gas for electricity, transportation, and industrial processes. Other sources include deforestation and land-use changes.
2. Methane (CH4): Methane is produced by natural processes such as the decay of organic matter in wetlands, ruminant digestion (e.g., cattle), and landfill waste. Additionally, methane is released during the extraction and transportation of coal, oil, and natural gas.
3. Nitrous Oxide (N2O): Nitrous oxide is mainly produced through agricultural and industrial activities. It is released from agricultural soil management, the combustion of fossil fuels and solid waste, and industrial processes like the production of nitric acid and the burning of biomass.
Reducing the emission of these greenhouse gases is crucial to mitigating global warming. This can be achieved through adopting renewable energy sources, improving energy efficiency, promoting sustainable land-use practices, and implementing regulations on industrial emissions.