Plant-Methane Brouhaha Put To Bed

The suggestion that plants may be a prodigious source of the greenhouse gas methane has finally been put to the sword by Dutch scientists. Reporting in New Phytologist, Tom Dueck and co-researchers concluded that methane emissions from plants are negligible and do not contribute to global climate change.

The researchers executed a novel experiment that used plants grown in a facility containing atmospheric carbon dioxide with a heavy form of carbon (13C). The heavy carbon makes any carbon released from the plants relatively easy to detect.

Thus, if plants are able to emit methane, it will contain the heavy carbon isotope and can be detected against the background of lighter carbon molecules in the air.

Saturating the plants with heavy carbon. 13C-Methane emission was measured under controlled, but natural conditions with a photo-acoustic laser technique. This technique is so sensitive that the scientists are able to measure the carbon dioxide in the breath of small insects like ants.

The researchers found that the measured emission rates were so close to the detection limit that they did not statistically differ from zero. Conscious of the fact that a small amount of plant material might only result in small amounts of methane, the researchers sampled the “heavy” methane in the air in which a large amount of plants were growing. Again, the measured methane emissions were negligible.

While Dueck concluded that there is no reason to reassess the mitigation potential of plants, he did stress that questions still remain about the gap in the global methane equation.

Related articles:
Researchers Slam Media Over Wrong-Headed Plant-Methane Hype
Laughing Gas Levels From Biodiesel Crops Not Funny

Source: New Phytologist

, ,

Comments are closed.

CLIMATE CHANGE IS BULLSPIT ~~ BUMPER STICKER picture

CLIMATE CHANGE IS BULLSPIT ~~ BUMPER STICKER

$6.99



What If Climate Change Is A Hoax And We... - Liberal Window/Bumper Sticker picture

What If Climate Change Is A Hoax And We... - Liberal Window/Bumper Sticker

$4.95



Climate Change Deniers Are The Real Eco-Terrorists Laptop/Window/Bumper Sticker picture

Climate Change Deniers Are The Real Eco-Terrorists Laptop/Window/Bumper Sticker

$4.95



This Planet needs You... Button (pins,badges,global warming,climate change) picture

This Planet needs You... Button (pins,badges,global warming,climate change)

$1.35



Dark Fang #1-5 Complete Series Set 2017 Image Comics Lot Vampires Climate Change picture

Dark Fang #1-5 Complete Series Set 2017 Image Comics Lot Vampires Climate Change

$9.95



It's The End Of The World Button (pins,badges,global warming,climate change) picture

It's The End Of The World Button (pins,badges,global warming,climate change)

$1.35



Climate Change Pins - Stop Climate Change buttons - Set of 8, 2.25 inches picture

Climate Change Pins - Stop Climate Change buttons - Set of 8, 2.25 inches

$13.97



20 x Climate Change BUTTON PIN BADGES 25mm 1 INCH | Extinction Rebellion  picture

20 x Climate Change BUTTON PIN BADGES 25mm 1 INCH | Extinction Rebellion

$7.30



Make Earth Cool Again Button Badge - Climate Change Badge picture

Make Earth Cool Again Button Badge - Climate Change Badge

$1.74



Postcard Earth Blessing 25th Anniversary of Earth Day Reverse Climate Change 6x4 picture

Postcard Earth Blessing 25th Anniversary of Earth Day Reverse Climate Change 6x4

$5.09



Powered by WordPress. Designed by WooThemes