The argument of this controversy is “are humans the main cause of global warming?” “In its 2013 fifth assessment report, the IPCC stated in its summary for policymakers that it is “extremely likely that more than half of the observed increase in global average surface temperature” from 1951 to 2010 was caused by human activity. By “extremely likely”, it meant that there was between a 95% and 100% probability that more than half of modern warming was due to humans.” (Carbon brief). Human activities, such as the combustion of fossil fuels are altering the climate system. Another reason how humans affect the cause of global warming are human driven changes, such as deforestation, urbanization, and shifts in vegetation
This was the first environmental issue that was responded globally. The CFC use in the world reduced from 1,200,000 tonnes to 70,000 tonnes from 1998 to 2004 respectively. It was estimated that 2065 the ozone layer will recover to its original state. Even though there are many positive impacts of hydrofluorocarbon, overexposure to this compound might lead to heart or brain damage. Also, it is a dominant greenhouse gas which contribute to the global warming and climate change, the ability to trap thousands of times more heat than carbon dioxide.
In places like California, three-fifths of the tax revenue from sales will be put towards anti-addiction programs and education on drug abuse. A fifth goes to cleaning up the environment that has been damaged due to illegal marijuana growth (The Economist). Oregon has paid out $85 million to education, police, public health, and local government (The Oregonian). Colorado’s market in total is projected to have a compound annual growth rate of 20 percent from 2014 to 2020. Their annual tax revenue is already increasing by millions of dollars each year.
Here is a simple definition of global warming. And yes it 's truly irruption. Over the past 50 years the mean global temperature has raised at the quickest rate in recorded history. Experts see the tendency is quicken, All but one of the 16 hottest years in NASA 134-year record have engaged since 2000.Climate change disputants have represented that there has been a “delay” or a “retardation” in rising global temperature but various recent studies having 2015 paper published in the journal Science have rebutted this contend. And
Global warming occurs when carbon dioxide (CO2) and other air pollutants and greenhouse gases such as smokes gets collected in the atmosphere and absorbs sunlight and solar radiation that have bounced off from the earth’s surface. “The temperature has been increasing over the past 150 years and there are a lot
Why Wave Energy is a Solution to Global Warming & Types of Wave Technologies Used Global warming is a huge issue nowadays as the carbon dioxide released into the atmosphere increases higher and higher each year. (Graph 1) Consequences we face include dramatic climate changes, rising sea level, dirtier air, and a lot more negative effects that are slowly destroying the planet and the atmosphere. It is predicted by Stephen Hawking that there are only 100 years left before the Earth hits doomsday (Galeon, 2017). In graph 2, you can see that most greenhouse gases came from human’s daily usage of electricity, which is 29% of all sources. We can decrease the amount of greenhouse gases by using other types of energy and different energy sources.
For example, energy runs your household items. Humans Pollution: Environment stated, “The U.S. per capita emission rate has risen from 19.2 metric tons per person to 19.9 metric tons between 1990 and 2002, according to the World Resources Institute. Per capita use also has gone up in China, rising from 2.2 to 2.9 metric tons between 1990 and 2002. China is expected to surpass the United States in total carbon dioxide emissions by 2009.” While this may be saying dates, those dates are standing for the time between how many metric tons in 3 years. Also Humans Pollution: Environment said, “The vast majority of energy comes from the burning of fossil fuels (oil, natural gas, and coal).
The global average temperature increased by about 0.8°C from 2005, but the current warming trend is 0.13 – 0.16 °C per decade, and it is projected to continue to rise at a rapid rate (Hansen et al.2010). The effect of the activities of man especially in technologically advanced nations, has brought about emission of CO2 and other greenhouse gases which has resulted in the depletion of the ozone layer and global warming (Hegerl et al., 1997; Tett et al., 1999, 2002; Stott et al., 2000).These can be seen from the changes in meteorological parameters such as temperature and precipitation.
Scientific research has been done to show that sea levels worldwide are rising at the rate of 3.5 millimeters per year since the 1990s. It is believed that the sea levels rise for two reasons. The first one being thermal expansion. As the water heats up, it expands. About half of the rise of sea level is due to thermal expansion.
The burning of fossil fuels has many negative effects on the earth. “Fossil fuels are hydrocarbons, primarily coal, fuel oil, or natural gas. They are formed from the remains of dead plants and animals” (RelightNY). The combustion of these fossil fuels releases large amounts of carbon dioxide into the atmosphere, daily. This contributes to global warming.
Carbon dioxide which is a strong gas releaser has caused changing conditions in the atmosphere that we live in. To show the great dangers that humans have had on the atmospheric gases the 7.3 billion people on Earth pull in twice the amount of carbon dioxide produced by trees and oceans (Gonzalez 2). The carbon dioxide emissions in the Earth’s atmosphere surpassed 400 parts per million for a monthly average in Spring 2013 (Fleur 1). The conditions of the carbon dioxide in the atmosphere and the amount that is consuming the air we breathe , doesn’t look like it will be stopping anytime soon. In 2014, the average amount of global carbon dioxide rose to 397.7 parts per million, and comparing that to the emissions of the year 1750 which was 278 million parts per million (Fleur 2).
The carbon dioxide levels have risen over the last 10,000 years. CO2 is thought to be the greenhouse gas that causes climate change and global warming. It possibly went up due to the increase in the population. Since we breathe in oxygen and exhale CO2. Everything is putting CO2 back into the environment but, at high rates.