When the fish are gone the wildlife that depend on them for food will die also. In the summers the temperature of the water increases and causes a decrease in the amount of food. The warmer waters disturb the normal flow of the nutrients from the cooler water depths. “An El Niño will occur approximately every two to seven years” (wildlife.ca.gov). The effects of an El Niño can be sensed all over the globe for over a year.
They rely on sea ice to hunt and store energy for summer and fall, when food can be scarce. Sea ice is now melting earlier in the spring and forming later in the fall. For every week earlier the ice breaks up in Hudson Bay, bears come ashore roughly 22 pounds lighter and in poorer condition. Unhealthy bears can lead to lower reproduction rates. (“Threats To Polar
As earth entered a warming trend, mammals which were used to the cold could not survive but became extinct when glaciers retreated. Tundra gave way to lush thick forests and the animals who were once used to the cold climate could not adapt like the mammoth and the wooly rhinoceros. Humans who once hunted these animals now has to switch to smaller animals and then start to rely on gathering plants for food. The earth is currently in an interglacial period. What remains of the continental ice sheets are located in Greenland and Antarctic.
As the ice caps melt the polar bear’s hunting area becomes increasingly smaller. (Higdon et. al. 2009) This means that the killer whale’s hunting area get larger and extends up into regions never accessible before. Killer whales are starting to hunt animals that polar bears and humans hunt making it more difficult for native people in the North Atlantic to find food.
In Wildlife in peril as the Arctic melts). The plants dispersing makes it harder for them to reproduce and grow, and with the plants comes animals that is another contributor to the plant’s demise. Another way the Arctic is changing Is in the sea ice surrounding it. The Arctic’s sea ice is melting at a rapid rate and the damage it is having on the world is almost irreversible. Since 1980 there has been a 30% drop in sea ice which is an alarming number for a short period of time (Kolbert 27).
Over the past two years Antarctic glaciers have been making headlines, and not in a good way. Glaciers in all parts of Antarctica have begun to rapidly melt, some faster than others. Coherently, water levels have begun to rise at an almost dangerous rate. Sea level rises suggested by research would impact every area of the globe; it is estimated around 150 million people live within just 3 feet of elevation above current sea levels (Algar). Glacial measurements computed by remote-sensing apparatuses on CryoSat 2 satellites show that the surfaces of several glaciers are dropping nearly four meters every year and have lost close to one/fifth of their thickness since the late twentieth century.
Only some of these solutions have worked, many have been unsuccessful. One solution to deforestation is reforestation. Reforestation is the process of planting a lot of new trees to make up for the ones cut down. Alive trees will reduce the buildup of carbon dioxide in the atmosphere. The trees will also contribute to new wildlife habitats, restore water cycles, and rebuild carbon storage.
(Polar bears habitat & distribution). Global warming is playing a huge role in polar bears current life and futures to come. “Global warming is affecting the polar bears the most out of anyone yet, scientists are predicting that two thirds of polar bears will disappear by 2050”. (Global warming &
The Pleistocene epoch occurred between 2.6 million years ago and 11700 years ago, and was the base of the Quaternary; the most recent period. The most recent ice age occurred during the Pleistocene epoch, with huge parts of the Earth’s landmasses being covered by glaciers. The Pleistocene did not consist of just one great ice age. Instead, it involved frequent fluctuations of warming and cooling of the Earth’s atmosphere. This included more than 30 changes between long glacial periods where much of the world’s temperate zones were covered by glaciers and brief warmer interglacial phases where some ice sheets retreated; much like what we are living in today (Holden, 2012).
Climate change is a change in global or provincial climate that changes over a time span of many years. Weather can change in just a few hours, But Climate change takes hundreds or even millions of years to change. Climate change is happening all around us. Whether it is the global temperature rise or the melting of the polar ice caps, it is happening. Climate Change is the second biggest environmental Problem the world has faced in the 21st Century.