article thumbnail

Pilot Project Sends Kelp–and Carbon–to the Seafloor

Cars That Think

At daybreak, the cranks pull the ring back up to the surface to soak up sunlight and carbon dioxide. The Climate Foundation , the Seattle-based company behind the project, has found that this deep cycling makes kelp grow three times as fast as it can when kept in shallow waters, as seaweed farmers do now.

Carbon 134
article thumbnail

DLR: cleaner aircraft emissions reduce the climate impact of contrail cirrus

Green Car Congress

Fewer soot particles in the exhaust stream of aircraft reduces the formation of ice crystals and therefore the climate impact of the resulting contrail cirrus. The results are published in an open-access paper in the Nature Partner Journal (npj) Climate and Atmospheric Science. —Ulrike Burkhardt.

Climate 278
article thumbnail

Black carbon is a much larger cause of climate change than previously assessed; about twice previous estimates, and 2/3 the effect of CO2

Green Car Congress

Schematic overview of the primary black-carbon emission sources and the processes that control. the distribution of black carbon in the atmosphere and determine its role in the climate system. Accounting for all of the ways black carbon can affect climate, it is believed to have a warming effect of about 1.1

article thumbnail

Electric vs. Gasoline Cars: Uncovering the Real Climate Savior

The Truth About Cars

Photo credit: Nick Starichenko / Shutterstock.com Contrary to common misconceptions , electric vehicles (EVs) generally have a smaller carbon footprint compared to traditional gasoline cars. However, the production of electricity for EV charging can result in carbon emissions, depending on the energy source.

article thumbnail

Climate Expert: Don't Call It Geoengineering

Cars That Think

The leaders of the world have just returned from the UN's latest climate change summit, COP26 , in which the countries that have signed on to the Paris Agreement upped their commitments to fight climate change. C by the year 2100 , according to Climate Action Tracker. C above pre-industrial levels. C above pre-industrial levels.

Climate 144
article thumbnail

Making Information Tech Greener Can Help Address the Climate Crisis

Cars That Think

Intergovernmental Panel on Climate Change delivered its starkest warning ever. At the same time, it noted, there is still a window in which humans can alter Earth's climate path. The actions we take to reduce emissions of carbon dioxide and other heat-trapping gases can impact the future climate, the report emphasizes.

Climate 109
article thumbnail

How Engineers Can Help Protect Earth From Worsening Climate Change

Cars That Think

The day reminds us of the need to protect our planet and its ecosystems against the worsening climate crisis. The climate crisis is threatening people across the world, as well as every species of animal and plant life. Climate change is a global societal crisis that is causing devastating consequences.