Links Environmental
Issues Revision Questions 
gcsescience.com 87 gcsescience.com
How does Oil affect the Environment?
Fossil fuels are burnt on a huge scale.
Global Warming.
Carbon dioxide is called a greenhouse gas.
It is causing the global temperature of the Earth to rise.
This rise in temperature can affect the climate all over the
planet in
ways which are hard to predict. Some areas may
become wetter
or dryer, other areas may become hotter.
The main (predictable) directions of wind
and ocean currents
on the planet may slow down, speed up, or change
direction.
Climate
change could have catastrophic
consequences for
life on planet Earth, including rising sea levels
due to
oceans warming
and expanding and ice melting at the
poles,
and weather patterns becoming more extreme
because of more convection in the hotter
wetter atmosphere.
Is Global Warming Really Happening? - What's the
Evidence?
Evidence is everywhere.
Of the eleven
hottest
years on record, ten have occurred since 2003.
2015,
2014, 2010 and 2013
have been the hottest years so far recorded,
followed by 2005, 1998, 2009, 2012, 2003, 2006,
and
2007.
Glaciers (frozen rivers) and polar ice caps (North and South
Poles)
are melting.
Ice at the North Pole
(Arctic) is melting rapidly.
The Arctic sea in the summer
may be ice
free within five years.
The Alps have lost 50% of their glaciers in the last
century.
Greenland has the biggest ice sheet in
the Northern Hemisphere.
It is melting at a rate of approximately 200
cubic kilometres per year.
70%
of the world's fresh water exists as
ice at the South
Pole
(Antarctica). The average temperature of Antarctica is rising
faster
than the rest of the planet, having increased by
3 °C since
1950.
Links Environmental
Issues Revision Questions
gcsescience.com The Periodic Table Index Environmental Quiz gcsescience.com
Home GCSE Chemistry GCSE Physics
Copyright © 2015 gcsescience.com. All Rights Reserved.