SOLUTION CATEGORIES

KEYWORDS

101-solutions (89),
Renewable energy (23),
transport (17),
Build for the Future (13),
industrial (12),
industry (12),
industrial revolution (12),
Gold in Green Forests (11),
CCS (6),
CCS - What a Catch (5),
Sahara Forest Project (3),
www.saharaforestproject.com (3),
Driving with daisies (2),
Concentrated solar power (1),
Offshore wind power (1),
The answer is blowing in the wind (1),
local use (1),
The sun tower in Seville (1),
Shower in the warmth of the sun (1),
Let a thousand windmills turn (1),
Wind power (1),
Small energy systems (1),
Solar thermal collectors (1),
Conventional solar cells (1),
Dinner in the sunshine (1),
Local production (1),
Great potential (1),
The solar-cell revolution (1),
Super-thin solar cells (1),
Flexible super-thin solar film (1),
Solar cookers (1),
Collecting methane gas (1),
Self-sufficient Samsø (1),
Joint financing (1),
Catch the wave (1),
Wave power (1),
Mechanical energy capture (1),
Raw muscle power = clean energy (1),
Make green good business (1),
Green certificates (1),
Getting paid (1),
Input tariff (1),
Power in the ebb and flow (1),
Tidal power (1),
Complete rubbish (1),
The good example (1),
Electricity from salt water (1),
Osmotic power (1),
Bio-power plant (1),
Electricity from wood (1),
Heat from the earth (1),
Geothermal energy (1),
Stealing heat from the cold (1),
Heat pumps (1),
Modernise old hydro stations (1),
Intelligent electricity (1),
Let the car remove CO2 from the atmosphere (1),
Carbon negative (1),
Fighting CO2 with CO2 (1),
Putting out fires (1),
Planting forests (1),
Plant a tree (1),
It costs to save (1),
Chip in (1),
The Earth´s treasure chest (1),
presevere the tropical forests (1),
Membrane technology from biology lessons (1),
Fremtidens teknologi (1),
CO2 storage (1),
Transport (1),
A price on the road (1),
Road charges (1),
Put the fossils back where they came from (1),
CCS- What a Catch (1),
Sweeping the factory chimneys (1),
CO2-capture from industrial plants (1),
Capture the problem (1),
CO2 capture from gas and coal power (1),
Forestry into the agreement (1),
A climate agreement for the rainforest (1),
Emission-free and renewable (1),
A potent environmental cocktail (1),
Biogas (1),
Gas is no laughing matter (1),
Limitless Clean Power (1),
Renewable (1),
Europe’s green battery (1),
Hydro power as an energy storage mechanism (1),
Store energy (1),
Smart grid (1),
Optimised fertilizer use (1),
Biochar- the new black gold (1),
Stop dirty investments (1),
Pull the oil fund out of the rainforest (1),
Get the rainforest out of your house (1),
Do not buy destroyed rainforests (1),
Eat less meat (1),
Meat-free Monday (1),
Biochar (1),
Wood for most purposes (1),
Planned biouse (1),
City planning (1),
Gasoline-electric vehicles (1),
Energy efficiency (1),
Get dressed (1),
Save on heating indoors (1),
With law in hand (1),
unleash the energy hunters (1),
Energy Management (1),
Cleaner steel (1),
New technology in steel production (1),
The aluminium of the future (1),
Efficient production (1),
Energy labelling (1),
Take your tie off (1),
Bring in the bathwater (1),
Recover the heat from used water (1),
Saving energy and the internet (1),
Less IT waste (1),
Energy-efficient lighting (1),
Replace with LED (1),
Look cool (1),
Save on cooling (1),
Turn it off (1),
Use the off button (1),
New materials (1),
The world’s building blocks (1),
Bums on eco-design (1),
Environmentally-aware design (1),
Same shit (1),
new wrapping (1),
Reduce soot emissions (1),
Black carbon (1),
Political (1),
Spreading your bets (1),
cap-and-trade (1),
CO2 markets (1),
Recycling (1),
Stop the worst emitters (1),
Use surplus heat (1),
Waste heat becomes electricity (1),
Laughing gas is not so funny (1),
Cleaner fertiliser production (1),
Regulation of CFCs (1),
Use the Montreal Protocol (1),
Tak på utslippene (1),
Learn from nature’s symbiosis (1),
Industrial symbiosis (1),
Green white goods (1),
Replace appliances and electronic items (1),
Eco-driving (1),
Smart traffic (1),
Efficient transportation (1),
Get loco-motivated (1),
Smart driving – save the environment (1),
High-quality bus services (1),
Full sail (1),
Meet online (1),
Video conferences (1),
Bus de luxe (1),
High-speed train (1),
Sky and sea (1),
Plug-in hybrids (1),
Re-charge your batteries (1),
Battery charging (1),
Be practical - drive electric (1),
Charging stations in new buildings (1),
Charger on the corner (1),
Algae fuels (1),
Biofuel (1),
Think big (1),
Mass purchase of electric cars (1),
Back to the age of sail (1),
Carbon capture and storage in seawater (1),
Live green – pay less (1),
Tax deductions (1),
subsidies and certificates (1),
Energy-plus houses (1),
Save water (1),
Turn off the tap (1),
Control Freaks (1),
Control systems for electricity (1),
Stay out of the cold (1),
Better insulation (1),
Cultivation without fresh water (1),
Seawater greenhouses (1),
New maritime technology (1),
Bring shipping into the fold (1),
Emission trading for shipping (1),
Captured by the sea (1),
Fuel cells for shipping (1),
Bio-mimicry (1),
Green small miracles (1),
Cultivation of algae (1),
Greenhouses against the greenhouse effect (1),
Electric car (1)

Collecting methane gas

Sao Paolo is the largest city in Brazil and aims to reduce its greenhouse gas emissions 30 percent by the year 2012. By collecting methane gas from the city’s waste sites, emissions have already been reduced by 20 percent.

Methane is a greenhouse gas, which is 22 times more powerful than CO₂, but has a shorter atmospheric decomposition rate. Methane is formed by the decomposition of certain types of organic material. 60 percent of all methane found in the environment has been created through human activity, especially agriculture. Methane gas from landfills is responsible for two percent of the world’s overall emissions of climate gases and the waste that ends up in landfills continues to produce methane for a minimum of 30 years. Sao Paolo takes the problem seriously. The city’s landfill sites are covered with earth and plastic so that the methane can no longer escape into the atmosphere. Methane is trapped and burned, producing electricity for many of the city’s 19 million inhabitants.

Methane from landfill sites can be recycled and used as heat, electricity, fertilizer or fuel. 85 percent of the energy and heat consumed at the University of New Hampshire in the US, currently comes from the Turnkey landfill site nearby. In Iceland, methane gas from the Alfsnes waste plant enables two buses, thirteen waste trucks, two other trucks and 110 private cars to get around the island without the use of fossil fuels. In Norway and the EU, it is now forbidden to throw decomposable rubbish onto landfill sites. In many developing countries, landfills are a problem which is expected to increase with rising standards of living. For this reason, more and more landfill sites are gaining UN-approved climate quotas for the collection of methane gas. The quotas are sold on the international quota market and make collecting methane a profitable business.

Read more:
http://www.c40cities.org/news/news-20080806.jsp
http://www.sustainableunh.unh.edu/climate_ed/cogen_landfillgas.html#
http://www.nordicenergysolutions.org/solutions/bio-energy/bio-gas/copy_of_landfill-biogas-for-transportation