Search results
Results from the WOW.Com Content Network
Three Gorges Dam (left), Gezhouba Dam (right) This article provides a list of the largest hydroelectric power stations by generating capacity. Only plants with capacity larger than 3,000 MW are listed. The Three Gorges Dam in Hubei, China, has the world's largest
This is a general overview and status of places affected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus which causes coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 were identified in Wuhan, the capital of the province of Hubei in China in December 2019. It ...
The African Union secured close to 300 million COVID-19 vaccine doses in the largest such agreement yet for Africa; it was announced on 13 January 2021. This is independent of the global Access to COVID-19 Tools Accelerator ( COVAX ) effort aimed at distributing COVID-19 vaccines to lower-income countries. [ 11 ]
A COVID-19 vaccine is intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 . Prior to the COVID-19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute ...
Hydropower (from Ancient Greek ὑδρο-, "water"), also known as water power or water energy, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of a water source to produce power. [1] Hydropower is a method of sustainable energy ...
Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, [1] which is more than all other renewable sources combined and also more than nuclear power. [2] Hydropower can provide large amounts of low-carbon electricity on demand, making it a key element for creating secure and clean electricity supply systems. [ 2 ]
The Africa Centres for Disease Control and Prevention, World Health Organization and COVID-19 Africa Open Data Project [271] have collected and reported continent-wide data on the number of cases, recoveries and deaths. The COVID-19 Africa Open Data Project provides additional data on healthcare workers infected, health services, urgent needs ...
The report added weight to calls for a broader probe into the theory that the COVID-19 virus could have escaped from a laboratory. [ 6 ] [ 7 ] However, a WHO report states "introduction through a laboratory incident was considered to be an extremely unlikely pathway". [ 3 ]