Fact #2

Fact: Humans are the causing the CO2 to increase which is causing global warming but humans can also reduce the way they use things and stop global warming.

Website#1: http://epa.gov/climatechange/kids/change.html

Source: United States Environmental Protection Agency
Credentials: It doesn't have any but I'm pretty sure that the people who wrote this article are all specialists in this field.
Credibility: It is very credible because the website has .gov at the end and people can't fake a .gov because a .gov makes it an accurate website.
What It Says About the Fact:During the Industrial Revolution, humans have began altering the climate and environment through agricultural and industrial practices. The Industrial Revolution was a time when people began using machines to make life easier. It started more than 200 years ago and changed the way humans live. Before the Industrial Revolution, human activity released very few gases into the atmosphere, but now through population growth, fossil fuel burning, and deforestation, we are affecting the mixture of gases in the atmosphere.
Do I Believe the Source: I do believe this source.
Why or Why Not?: I believe this source because it has a .gov at the end of the web address and when a website has a .gov at the end it makes it an official website. This website also seems very official was well because of the pictures and the many examples that it provides.


Website#2: http://go-passport.grolier.com/showcase?tn=noplugs/greenhouse_2.html and http://go-passport.grolier.com/showcase?tn=noplugs/greenhouse_3.html

Source: Grolier Online
Credentials: Encyclopedia
Credibility:It is very credible because our school and many other schools use this as a resource site.
What It Says About the Fact: The use of fossil fuels has increases since the 1800s and even farming plays a role in this. The greenhouse gases are also released when forests are cut and burned. These forests are what take in the CO2 in the air. As the population grows the more there will be of CO2 because of increase in population.

Do I Believe the Source: I do believe this source.

Why or Why Not?: I believe this source because it is a school provided website and it has a lot of information that is backed up because the people who made this website are specialists in their field.

Website#3: http://environment.nationalgeographic.com/environment/global-warming/gw-causes.html

Source: National Geographic

Credentials: Popular Magazine and channel

Credibility: It appears credible because many teachers subscribe to this magazine and this is only published if the information are true.

What It Says About the Fact: "One of the first things scientists learned is that there are several greenhouse gases responsible for warming, and humans emit them in a variety of ways...Most come from the combustion of fossil fuels in cars, factories and electricity production. The gas responsible for the most warming is carbon dioxide."
Do I Believe the Source: I do believe this source.
Why or Why Not: I do believe this source, because this source is used by many people especially teachers.

Believing: I do believe this fact because it has been supported by the three sources I have found and each source I think is credible.