Global warming has become a bigger problem. This topic has been discussed over and over for too many times. There are a lot of sources that would want to prove me wrong, but I have enough facts and statistics to help you to see the whole picture. As nowadays global warming is obviously seen in changes of environment and climate of the world, such as rise of sea level, climate change, and increased acidification of oceans, it is still a debatable and controversial topic that bothers countries worldwide. In my eyes, global warming is happening but is not so easily observable as the process is slow, so scientists of the world need more time to support their hypotheses on this global issue.
For the past century the sea level raised for about twenty centimeter and the rate of increase is accelerating. There are only two possible ways the global warming makes the sea level rise – when ice sheets and glaciers start to melt, and when ocean water expands as it warms. On of the most visible signs of global warming are glaciers. According to the National Snow and Ice Data Center, arctic sea ice has declined by over thirty percent. This phenomenon was noticed during other seasons, too. In 2009 scientist noticed that more ice became thinner and less multiyear ice than it used to be. Oceans are warming and becoming more acidic, ice caps are melting, and sea levels are rising.
“The 20th century's last two decades were the hottest in 400 years and possibly the warmest for several millennia, according to a number of climate studies.” (National Geographic). Over the last century temperature increased by more than 0.8°C. Changes in temperature had ben noticed in many countries all around the world, as the result there are more intense rain in rainfalls, and frequent heat waves. All of these changes are evidence that the temperature in rising and puts a huge impact on humans lives. Acidity of water has increased by thirty percent, starting from ...