Space dust measurement
Space dust measurement refers to the study of small particles of extraterrestrial material, known as micrometeoroids or interplanetary dust particles (IDPs), that are present in the Solar System. These particles are typically of micrometer to sub-millimeter size and are composed of a variety of materials including…
Energy policy of Canada
Canada has access to all main sources of energy including oil and gas, coal, hydropower, biomass, solar, geothermal, wind, marine and nuclear. It is the world's second largest producer of uranium, third largest producer of hydro-electricity, fifth largest natural gas producer, and the fifth largest producer of crude…
Targray
Targray Technology International Inc., commonly referred to as Targray, is a Canadian multinational materials distributor headquartered in Kirkland, Quebec that provides commodities and distribution of pulses, biofuel, cotton, carbon trading, lithium-ion battery, energy storage, and solar photovoltaics. Targray was…
Grid energy storage
Grid energy storage, also known as large-scale energy storage, is a set of technologies connected to the electrical power grid that store energy for later use. These systems help balance supply and demand by storing excess electricity from variable renewables such as solar and inflexible sources like nuclear power,…
Financial incentives for photovoltaics
Financial incentives for photovoltaics are incentives offered to electricity consumers to install and operate solar-electric generating systems, also known as photovoltaics (PV). Governments offered incentives in order to encourage the PV industry to achieve the economies of scale needed to compete where the cost of…
Renewable portfolio standards in the United States
A Renewable Portfolio Standard (RPS) is a regulation that requires the increased production of energy from renewable energy sources, such as wind, solar, biomass, and geothermal, which have been adopted in 38 of 50 U.S. states and the District of Columbia. The United States federal RPS is called the Renewable…
Variable renewable energy
Variable renewable energy (VRE) or intermittent renewable energy sources (IRES) are renewable energy sources that are not dispatchable (adjustable on demand) due to their fluctuating nature, such as wind power and solar power, as opposed to controllable renewable energy sources, such as dammed hydroelectricity or…
Net metering in the United States
Net metering is a policy by many states in the United States designed to help the adoption of renewable energy. Net metering was pioneered in the United States as a way to allow solar and wind to provide electricity whenever available and allow use of that electricity whenever it was needed, beginning with utilities…
Criticism of Walmart
The American multinational retail chain Walmart has received criticism from parties such as labor unions and small town advocates for its policies and business practices. Criticisms include charges of racial and gender discrimination, foreign product sourcing, anticompetitive practices, treatment of product…
Electric car use by country
Electric car use by country varies worldwide, as the adoption of plug-in electric vehicles is affected by consumer demand, market prices, availability of charging infrastructure, and government policies, such as purchase incentives and long term regulatory signals (ZEV mandates, CO2 emissions regulations, fuel economy…
