article thumbnail

Novel inexpensive cobalt-nickel electrode for efficient water and urea electrolysis; yolk-shell nanoparticles

Green Car Congress

Electrolytic hydrogen production powered by renewable energy is seen as an environmentally friendly means to ameliorate global climate and energy problems. Both half reactions of water electrolysis—hydrogen and oxygen evolution—are unfortunately slow and require a lot of power. Zhang, S.L., and Lou, X.W.

Water 413
article thumbnail

Study: 2/3 of aviation climate impact due to emissions other than CO2

Green Car Congress

of the human-made climate impact; two-thirds of this impact are caused by emissions other than CO 2 , according to a new study by researchers in Europe and the US. Schematic overview of the processes by which aviation emissions and increased cirrus cloudiness affect the climate system. Aviation accounts for 3.5% —Lee et al.

Climate 448
article thumbnail

Heat Pumps Take on Cold Climates

Cars That Think

Twenty homes scattered across Canada and the northern United States are keeping warm this winter using prototypes of the latest iteration in residential heating systems: cold climate heat pumps. To prove it, eight manufacturers are publicly testing their prototypes in the Cold-Climate Heat Pump Technology Challenge , hosted by the U.S.

Climate 143
article thumbnail

US DOI report highlights impacts of climate change on Western water resources

Green Car Congress

Projected median temperature change in °F (of 112 climate projections) over the Western United States, 2070–2099 relative to 1950–1979. The report, which responds to requirements under the SECURE Water Act of 2009, details several increased risks to western United States water resources during the 21 st century.

article thumbnail

Cambridge study finds globalized economy making water, energy and land insecurity worse

Green Car Congress

The first large-scale study of the risks that countries face from dependence on water, energy and land resources has found that globalization may be decreasing, rather than increasing, the security of global supply chains. As a result, countries place pressures on natural resources both within and beyond their borders.

Water 170
article thumbnail

ICCT life-cycle analysis finds no climate benefit in using LNG as marine fuel

Green Car Congress

The results of a new analysis by the International Council on Clean Transportation (ICCT) show that, when combined with a trend toward higher methane leakage and combustion slip, there is no climate benefit from using liquefied natural gas (LNG) as a marine fuel—regardless of the engine technology. First, it contains very little sulfur.

Mariner 427
article thumbnail

Exhausted: How We Can Stop Lithium Mining from Depleting Water Resources, Draining Wetlands, and Harming Communities in South America

CleanTechnica EVs

To mitigate the worst impacts of climate change, we must transition away from fossil fuels like petroleum and coal and toward clean energy generation and zero-emission transportation options. Lithium resources are concentrated in locations that have […].