Sunlight warms the surface, and then emits energy in the form infrared rays, or heat. ... Now greater amounts of heat are kept in the atmosphere causing the temperature near earth's surface to rise in a phenomenon known as global warming. ... As of 1992, carbon dioxide made a 63.7 percent contribution of the global warming due to greenhouse gases from to human activity. ... Methane, which accounts for 19.2 percent of human caused global warming, is another greenhouse gas that forms naturally in swamps, lakes and marshes. ... This is why they contribute about 10 percent to global wa...

• Word Count: 479
• Approx Pages: 2
• Grade Level: Undergraduate

Every hour, the sun beams onto earth more than enough energy to satisfy global energy needs for an entire year; and the sun's energy can be used in a variety of ways. It can be used to cook food, heat and cool homes, warm water, and light buildings. ... Also, decades or even centuries of research have led to efficient solar panel systems without producing global warming pollution (Advantages & Disadvantages). Solar power is now one of the most important solutions to the global warming crisis. ... Also, solar power can save society billions or trillions of dollars by decreasing global warm...

• Word Count: 681
• Approx Pages: 3
• Has Bibliography
• Grade Level: Undergraduate

Lastly, if we observe this situation on a global point of view, we will notice how many problems are caused by the lack of ozone in the stratosphere. Problems such as climate change, leading to global warming, future world hunger, resulting in the inability to grow enough crops, pollution, caused by the biogeochemical cycle changes, and much more. ...

• Word Count: 800
• Approx Pages: 3
• Has Bibliography
• Grade Level: Undergraduate