leap-logo

METHANE

molecule titan-atmosphere

3D methane model.

Titan’s unique methane rich atmosphere.

Anaerobic digestion captures methane in the process of decomposing organic waste. This is important as methane is a far more powerful greenhouse gas than CO2.

Robert Watson, the co-chair of the Intergovernmental Panel on Climate Change’s Third Assessment, recently wrote:

"The Copenhagen talks focused on the leading climate change culprit: CO2. But reversing global temperature increases by reducing carbon emissions will take many decades, if not centuries. Even if the largest cuts in CO2 contemplated in Copenhagen are implemented, it simply will not reverse the melting of ice already occurring...

The most obvious strategy is to make an all-out effort to reduce emissions of methane. Methane’s short life makes it especially interesting in the short run, given the pace of climate change. If we need to suppress temperature quickly in order to preserve glaciers, reducing methane can make an immediate impact. Compared to the massive requirements necessary to reduce CO2, cutting methane requires only modest investment.

Where we stop methane emissions, cooling follows within a decade, not centuries. That could make the difference for many fragile systems on the brink."

Robert Watson and Mahamed El-Ashry, “A Fast, Cheap Way to Cool the Planet,” The Wall Street Journal (December 29, 2009).

http://online.wsj.com/news/articles/SB20001424052748704039704574616130812043404

 

bacteria

Bacteria to perform a thermodynamically tricky process: the anaerobic oxidation of methane.

Methane-induced melt-hole on a frozen lake in Alaska, April 2011.

"Methane is acknowledged as the second most important greenhouse gas produced by human activity after carbon dioxide and is responsible for about a fifth of warming effects. Its chief sources are landfill sites, fossil fuel energy and agriculture, particularly rice and livestock farming.

Its impact is higher than generally thought because previous estimates have not accounted for its interaction with airborne particles called aerosols, Nasa scientists found.

When this indirect effect of the potent greenhouse gas is included one tonne of methane has about 33 times as much effect on the climate over 100 years as a tonne of carbon dioxide, rather than 25 times as in standard estimates."

From 2009 Sunday Times article

LEAP BLOG

Build your own DIY solar panel!

18/04/2018

Learn practical skills and take home your own solar phone charger

...
Read more >


Celebrate Sustainability This Thursday!

24/08/2016

...
Read more >


Celebrate sustainability!

19/08/2016

 


Thursday 25th August - 1-5pm

...
Read more >


Free aerobic/anaerobic composting workshop

20/07/2016

11am - 1pm Saturday 23rd July at Camley Street Natural Park, Kings Cross, London N1C 4PW

...
Read more >


Hydroponics and permaculture workshop

15/06/2016

Learn how to build your own hydroponics system

...
Read more >


ANAEROBIC DIGESTION

anaerobic digestion

During decomposition, organic wastes (food, manure, non-woody green waste etc.) emit CO2 and methane. Methane is a greenhouse gas 20-30 times more... Read More >

FIND OUT MORE

BIOGAS

biogas

Biogas is released during anaerobic digestion and captured for use as a clean fuel. When produced from food waste, it is approximately 60%... Read More >

FIND OUT MORE

AIR QUALITY

air quality

By generating a clean fuel, anaerobic digestion helps to reduce air pollution and our reliance on less sustainable sources of energy... Read More >

FIND OUT MORE

EMAIL SIGN UP

Receive the latest project updates and related newsflashes to stay informed on the micro AD front!

SIGN ME UP

GET SOCIAL

facebook

Join discussions on our wall and keep up to date on Facebook


twitter

Tweet and follow us. Latest projects, news and events


youtube

Videos and animations that get to grips with the issues