26.01.2015 Views

chiang mai province

chiang mai province

chiang mai province

SHOW MORE
SHOW LESS
  • No tags were found...

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Temperature<br />

increases<br />

from climate change are<br />

generally estimated at<br />

1.4-5.8°C by 2100 if<br />

further action is not taken.<br />

The EU intends to limit its<br />

greenhouse gases on par<br />

with a global rise of 2°C<br />

in 2020, but some studies<br />

indicate this still might not<br />

avoid catastrophe.<br />

Atmospheric<br />

Greenhouse<br />

Gases (GHG),<br />

most notably CO 2<br />

,<br />

methane, and NO 2<br />

,<br />

are the most threatening<br />

and avoidable agents of<br />

climate change. In 2008,<br />

CO 2<br />

levels hit 336 ppm,<br />

the highest in at least<br />

650,000 - and possibly<br />

20 million - years.<br />

Ocean Life<br />

and Acidity<br />

will result from the<br />

increased CO 2<br />

emissions,<br />

threatening all hubs of<br />

marine biodiversity.<br />

Ocean warming is adverse<br />

to growth of sea algae,<br />

the source of half of<br />

all photosynthesised<br />

oxygen and the basis<br />

of the marine food chain.<br />

Biodiversity<br />

Loss<br />

has already been seen.<br />

Climate change increases<br />

the risk of extinction for<br />

about 20-30% of all<br />

species and puts immense<br />

stress on ecological<br />

systems, particularly<br />

threatening those in<br />

tropical forest, alpine,<br />

and Arctic regions.<br />

Understanding Climate Change and<br />

Responding to Ecological Challenges<br />

Greater Climate<br />

Extremes<br />

through drought,<br />

floods, and extreme<br />

weather will affect global<br />

circulations of air and<br />

water. The result will<br />

be crippling to farmland,<br />

habitable land and<br />

water infrastructure,<br />

while increasing the<br />

spread of deadly<br />

diseases.<br />

Sources: NASA, UNFCCC, National Oceanic and Atmospheric Administration; J. Houghton, Global<br />

Warming: Complete Briefing; C. Gauthier, Oil, Water and Climate; Kump, Kasting, Crane, The Earth<br />

System; J. Lovelock, The Vanishing Face of Gaia; The Royal Society of London<br />

Future<br />

Generations<br />

are at stake. The needs<br />

of the present generation<br />

must not compromise the<br />

needs of future ones.<br />

Agricultural, economic,<br />

energy, and social<br />

practices that maximise<br />

energy efficiency, and<br />

organic replacement rates<br />

are therefore a priority.<br />

Managing<br />

the Cost<br />

of this climate change is<br />

crucial. It is estimated that<br />

the cost of keeping global<br />

warming below 2°C and<br />

reducing GHG emissions<br />

by 70% by 2020, could<br />

be as little as €530 billion,<br />

or 1% of the global GDP.<br />

Action shall be taken<br />

swiftly.<br />

The UN<br />

Copenhagen<br />

Conference<br />

has failed to decide on<br />

a post-2012 framework<br />

for climate change.<br />

Alas, the 25%-40%<br />

reduction in GHGs from<br />

1990 levels by 2020 as<br />

urged by the scientific<br />

community is still far<br />

from being met.<br />

16 17

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!