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World climate scientists point out
that the safest level of emission will be around 350 parts per million of
carbon dioxide, but the greenhouse gas in the atmosphere has reached 400. The
global warming causes lots of environment problems, which including rising sea
levels, droughts, famine. We might face an entire country would be submerged by
the sea water. We might face too less land for planting food to feed the
demands. We might face another mass extinction of the species on earth since
the extinction of the dinosaurs.

    
The United Nations stating that cows produce more greenhouse gases than
the entire transportation sector, which means raising cattle produces more
greenhouse gases than all cars, trucks, trains, boats, planes combined 13%
compare to 18% for livestock, this is because cows produce a substantial amount
of methane from their digestive process methane gases from livestock is twenty
five to a hundred times more destructive than carbon dioxide from vehicles, hydraulic
fracturing for natural gas uses an incredible amount of water, but when compare
this with animal agriculture raising livestock just in the United State, use 34
trillion gallons of water and it turns out the methane emissions from both
industries are almost equal to one pound hamburger require more than 2640
gallons of water to produce here. Lots of people have been trying to take short
showers in order to save water but to find out just eating on hamburger is the
equivalent of showering to an entire month. The domestic water use is only 5%
of what is consumed in the US vs. 55% for animal agriculture. That’s means it
takes over 2500 gallons of water to produce only one pound of beef. In 2009,
two advisors from the World Bank released an analysis on human induced
greenhouse gases finding that animal agriculture was responsible not for
eighteen percent as UN stated but was 51 percent of all greenhouse gases, which
makes animal agriculture major contributor to human caused climate change.
Moreover, the analysis also found that raising animals for food consumes a
third of all the planets freshwater occupies over 45 percent of the earth’s
land is responsible for up to 91% of Amazon destruction is a leading cause of
species extinction, ocean dead zones in habitat destruction. Yet the world’s
largest environmental groups that are supposed to be saving our world didn’t
mention this anywhere. (UN New Centre, rearing cattle produces more greenhouse
gases than driving cars, UN report warns)

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UN reported that three-quarters of the world’s fisheries are
overexploited, fully exploited or significantly depleted due to overfishing. The
report also claim that the oceans are under siege like never before and marine
environments are in trouble and if people do not do something about it, human
is going to see empty oceans by the year 2048, which is the perdition from
scientists. On another hand, an international marine wildlife conservation
organization, Sea Shepherd Conservation Society reported that the wave fishing
is done today to feed the demand for 90 million tons of fish is primarily
through massive fish nets for every single pound of fish caught there’s up to 5
pounds of untargeted species trapped such as dolphins whales, sea turtles and
sharks, and this is what will happen in our oceans every day. “The oceans die,
we die.” Watson, the Founder captain of Sea Shepherd Conservation Society said,
“That’s not a tagline but a truth.”

    
Beside the ocean, the other ecosystem that is being destroyed at a such
rapid rate of the world is rainforests. The global rainforests are essentially
the planets lungs, they breathe in CO2 and exhale oxygen an acre of rainforest
is cleared every second and the leading cause is to graze animals and grow
their feed crops. That is essentially an entire football filed cleared every
single second and estimated that every day close to a hundred of plants,
animals and insect species are lost due to rain forest destruction. So, the
fact is there was no way to sustainably raise enough animals to feed the
world’s current demand on meat. Dr. Will Tuttle, an environmental and ethics
author, reported that human is growing enough food right now to feed between
twelve and fifteen billion people, and there actually only have seven billion
people in the world but there still around one billion of people starving every
single day because 50% of the grain and legumes that were growing to feed the
animals, which means the animals are eating a huge amount of grain and legumes.
In the U.S., it is more like closer to 70% of food to feed animals. In
addition, 82% of the world’s starving children live in countries where food is
fed to animals in the livestock system that are than killed and eaten by more
well-off individuals in developed countries. (“Food Choice and Sustainability”,
Richard Oppenlander, Environmental Researcher.)

    
Vegetarian or vegan could be very healthy. Elders who are or became
vegan for many years are more likely able to handle heavy capacity of exercise.
(Dr. Michael A. Klaper,MD, Physician, True North Health Center). Dr. Michael
also suggested that people should not  consume dairy. The purpose of cow’s milk is to
turn a 65-pound calf into a 400-pound cow as rapidly as possible, cow’s milk
contains of everything that for baby calf’s growth, such as the hormones, the
lipids, the proteins, the sodium and the growth factors. So, the cow’s milk
should be baby growth fluid but should not be human’s food.

    
Thus, people should go into vegan to save the earth.

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