What role has human activity played in causing climate change?

Nowadays, the extent of the human contribution to modern global warming is a hotly debated topic. The current global average temperature is 0.85ºC higher than it was in the late 19th century. Earth’s surface has undergone unprecedented warming over the
centuries, and the most discussed question is whether human
is the major cause of
phenomenon. As many studies show, the principal cause of
is human
in particular
, the ways in which societies produce and use energy. According to the Intergovernmental Panel on
’s fifth assessment report, human emissions and activities have caused around 100% of the warming observed since 1950. Human endeavours, like burning fossil fuels, cutting down rainforests, and farming livestock, result in
tremendous changes
a tremendous change
in global
patterns and increase greenhouse gas concentration in the atmosphere. Human causes could not have contributed to the shift in worldwide weather single-handedly.
On the contrary
, among
vast range
a vast range
the vast range
forcers, non-human
exist. For natural grounds for
, among which are changes in volcanic
and solar output, IPCC assigns a 3-5% role, noting,
, that these factors could
have been affected by human
indirectly. What is more, large volcanic eruptions may result in the cooling effect rather than in the rise of the average global temperature. Since the beginning of the Industrial Revolution, people have burned more and more fossil fuels and changed vast areas of land from forests to farmland. The solutions for recent global
are within the human domain inasmuch as the primary cause of these environmental changes.
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