The Arctic Ocean will be ice-free by 2050

http://www.sciencedaily.com/releases/2009/04/090402143752.htm

The authors are The National Oceanic and Atmospheric Administration.

Their credentials are already shown by who they are.

This source is very credible because it was written and researched by two of the biggest organizations on this topic.

This source agrees with the fact.

I believe this source, because it came from two of the biggest organizations on this topic.

http://www.truthout.org/040309EA The author is the magazine Science Daily.

They are a good source because scientists back-up their information.

The source is very credible because it came from Science Daily.

The source agrees with the fact.

I believe this source, because it came from the magazine Science Daily.

http://www.enn.com/press_releases/2889

The author is Frank Came of the GLOBE Foundation.

The source is very credible because it is published in the Environmental News Network.

The source agrees with the the fact.

I believe the source, because it came from the GLOBE Foundation and the Environmental News Network.

• I believe the fact that the Arctic Ocean will be ice-free by 2050. The reason why is because it makes sense that it would and all these sites are so well-researched that it helps to prove to me that it will occur.

Deaths from global warming will double in just 25 years to 300,000 people a year

http://environment.about.com/od/globalwarmingandhealth/a/gw_deaths.htm
The author is Larry West.
He is a journalist in the Environmental Issues Guide.
The source is credible.
The source comes from the Environmental Issues Guide.
The source agrees with the fact.
I believe the source, because it is in the Environmental Issues Guide.

http://www.chesapeakeclimate.org/news/news_detail.cfm?id=400
The author is Tom Pelton and he is a reporter.
The source is credible because it came through the Chesapeake Climate Action Network.
The source agrees with the fact.
I believe the source, because it comes from the CCAN.

http://www.wired.com/medtech/health/news/2003/09/60640

The author is the company Reuters.

They are a well researched and trusted company.

The source is very credible because it came through Reuters.

The source agrees with the fact.

I believe this source, because it came from Reuters.

• I believe the fact that deaths from global warming will double in just 25 years to 300,000 people a year. The reason why is because the rates of people dieing from this have been going up every year and the pattern shows that this will fact will be correct.

Global warming increases precipitation

http://www.waterencyclopedia.com/Ge-Hy/Global-Warming-and-the-Hydrologic-Cycle.html
The author is Bart Geerts.
He did lots of research.
The source is credible.
They agree with the fact.
I believe the source, because he thoroughly researched the topic, and all of his sources are credible.

http://www.ucsusa.org/global_warming/science_and_impacts/impacts/early-warning-signs-of-global-3.html
There is many authors.
They are compilation of scientists and lobbyists and such.
The source is very credible.
The source agrees with the fact.
I believe the source, because it is put together by a group of people who all have the credentials to be speaking on this topic.

http://www.britannica.com/EBchecked/topic/235402/global-warming/274848/Precipitation-patterns
The author is Henrik Selin.
He works for the encyclopedia of Britain.
The source is credible.
The source agrees with the fact.
I believe the source, because it is from an official checked document and because it is well researched.

I believe the fact that global warming increases precipitation. The reason why is because in the past few years precipitation has been increasing and so has global warming, so I can't help, but think there is a link between the two.

Droughts and wildfires will occur more often

http://www.ucsusa.org/global_warming/science_and_impacts/impacts/early-warning-signs-of-global-4.html
There is many authors.
They are compilation of scientists and lobbyists and such.
The source is very credible.
The source agrees with the fact that droughts and wildfires will occur more often.
I believe the source, because it is put together by a group of people who all have the credentials to be speaking on this topic.

http://www.edf.org/article.cfm?contentID=6559&source=ggad&gclid=CPvk8dyk8ZkCFQHyDAod_UyZSg
The author is the environmental defense fund.
The source is very credible.
The source agrees with the fact that droughts and wildfires will occur more often.
I believe the source, because their job is to study on the affects of things on the environment.

http://www.scrippsnews.com/node/24169
The author is Glen Warchol.
The source is credible.
The source agrees with the fact that droughts and wildfires will occur more often.
I believe the source, because it has resources and research to back it up.

I believe this fact, because all evidence points toward that type of a result. Let's think about it. As the world gets warmer due to global warming, droughts will occur more often because the world would be drying out and wildfires will occure more often because things will be more flammable due to the dryness.

The number of category 4 and 5 hurricanes have almost doubled in the past 30 years

http://news.mongabay.com/2005/0916-ucar.html
The author is the UCAR.
They are the National Center for Atmospheric Research, so they are a group of scientists.
The source is very credible.
They agree in saying that hurricanes have pretty much doubled.
I believe this source, because they are a group of scientists who spend everyday studying these type of things.

http://www.wunderground.com/education/webster.asp
The author is Dr. Jeff Masters.
He has a doctorate degree and is a credible source.
They agree in saying that hurricanes have pretty much doubled.
I believe this source, because he has a doctorate degree in this and also he did a lot of research to produce this as shown by his sources.

http://ezinearticles.com/?The-Number-of-Category-4-and-5-Hurricanes-Occurring-Has-Nearly-Doubled-During-the-Last-Three-Decades&id=1604589
The author is Lily Wilson.
She is a normal person who just loves to study and learn about the evironment.
This could be a credible source.
They agree in sayin that hurricanes have pretty much doubled.
I believe this source, because she spends her time learning and studying about the environment solely based on interest and also because she would have no reason to lie.

I agree with the fact that the number of category 4 and 5 hurricanes have almost doubled in the past 30 years. The reason why is because we have already seen an increase in the number of hurricanes and especially, in the more powerful ones. So, it would only makes sense that they would continue to increase and get more powerful.