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Global Greenhouse Gas Emissions Can Be Reduced by 85% by 2050
renewable energy and a range of energy-efficient technologies cut GHG products and services will encourage people to change their daily lives to
emissions from buildings by about half. reduce their ecological impact. For example, they will travel more by public
transport, eat food with a lower carbon footprint and lower the indoor
Produce Food With Less Climate Impact temperature. While such a lifestyle change clearly would reduce emissions
Agriculture currently accounts for 13.5% of GHG emissions, of which significantly, calculating an accurate figure for 2050 is extremely complex.
methane from livestock and manure and N
2
O from agricultural soils In our scenario, the emissions reduction from lifestyle change is probably
make up the lion’s share. While there are no technical ‘quick fixes’ to modest. In addition to direct emission reductions, more ecologically aware
reduce agricultural emissions, improved agricultural practices such as voters and consumers will put pressure on politicians and business leaders
restoring cultivated organic soils and improving cropland management alike to ensure that the technologies with the lowest possible carbon
can enable a 30% emission reduction compared with the 2050 business footprint are deployed.
as usual projection.
The Way Forward
Preserve Forests as Natural Sinks of Carbon Dioxide The Bellona scenario shows that the solutions necessary to tackle global
As growing vegetation binds large amounts of CO
2
, cutting down forests warming are available today. Courageous political leadership is key to
and letting grasslands turn into deserts (commonly co-termed ‘land-use implementing the scenario. When world leaders gather at the UN Climate
change’) has a negative effect on the climate. While land-use change Change Conference in Copenhagen in December 2009, they need to
currently leads to a higher atmospheric concentration of CO
2
, intelligent develop a global policy framework that features:
land management, reforestation and measures to stop the deforestation
of rainforests can make land-use change a net absorber of CO
2
by 2050. • A pledge to reduce global emissions by 85% by 2050 and a plan for
how to achieve this target. This essentially means setting a global cap
Dispose of Waste without Wasting the Climate on emissions and a schedule for tightening it.
Waste water and landfills produce about 3% of global GHG emissions in • A radical increase in public funding for developing and demonstrating
the form of methane and nitrous dioxide. Through a global adoption of new climate-friendly technologies. While the needed technologies
readily available technologies such as landfill and sewage gas recovery, already exist, substantial efforts are needed to reduce costs and speed
emissions can be reduced by more than 90% in 2050 compared with the their implementation on a large scale.
2050 business as usual projection. • A change in market conditions to make it financially attractive to
protect the climate. This essentially entails giving climate-friendly
Live Smarter to Reduce Climate Impact technologies an advantage by putting a price on emissions and making
Increased climate awareness and higher prices on emission-intensive polluters pay. ■
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