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Bookmark or Share- These 4 energy storage technologies are key to climate efforts3. Thermal energy storage. Thermal energy storage is used particularly in buildings and industrial processes. It involves storing excess energy – typically surplus energy from renewable sources, or waste heat – to be used later for heating, cooling or power generation. Liquids – such as water – or solid material - such as sand or rocks ...
- 5 risks from water overuse | World Economic ForumWater risks affect industrialised and developing economies alike; repercussions of its overuse and increasing shortage are multiple and complex, widespread and severe. Let me mention five aspects: 1. Water for people: according to the World Health Organization there are still more than 700 million people without access to so-called ‘improved ...
- Fashion has a huge waste problem. Here's how it can changeWhen it is thrown away, 73% will be burned or buried in landfill. What does get collected for recycling – around 12% – will likely end up being shredded and used to stuff mattresses, or made into insulation or cleaning cloths. Less than 1% of what is collected will be used to make new clothing. These trends are not only damaging the ...
- 4 clever ways to store renewable energy without batteries. | World ...A key benefit of liquid air energy storage (LAES) is it uses existing technology that is readily available and has a lifetime of over 30 years. On the downside, changing the state of energy in this way leads to energy losses and reduces LAES efficiency to 50-70%. This is much less efficient than lithium-ion batteries, which are around 99% ...
- The ‘excess deaths’ measure helps more accurately estimate the total ...Each country records deaths slightly differently – the excess mortality measure smoothes out some of these discrepancies and helps us compare countries more accurately. There was a substantial number of excess deaths in the first half of 2020, particularly among the over-65s, and the peak is far higher than seen during previous influenza peaks.
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