Αποτελέσματα Αναζήτησης
11 Μαΐ 2022 · CLIMATEWIRE | Helium concentrations are rising in the atmosphere, according to new research that confirms a long-held suspicion about the byproduct of fossil fuel production.
8 Νοε 2019 · Helium is the only element on the planet that is a completely nonrenewable resource. On Earth, helium is generated deep underground through the natural radioactive decay of elements such as ...
12 Μαΐ 2022 · Helium does not contribute to global warming but is another sign of the increased use of fossil fuels. The researchers also measured a rise in levels of a rarer isotope called helium-3.
2 Μαρ 2023 · The situation has been escalated by the Ukraine war, since this ruled out helium being supplied from the new Russian Amur plant, planned to supply 35% of the global helium demand. In addition, almost all helium today is a by-product of methane or carbon dioxide natural gas production.
24 Φεβ 2024 · Helium cools down magnets in MRI machines that examine people for cancer and other diseases. It is also used to make super-fast trains – such as the Shinkansen train in Japan. Relies on human effort. “However, the good news is that we're not running out of helium,” Trønnes says.
18 Μαρ 2020 · Plastic pollution is one of today’s biggest environmental challenges. Microplastics have been found in our drinking water, food and even the air we breathe. While many people are trying to...
19 Μαΐ 2020 · The sustainability of the helium production, supply and use was assessed using the WORLD7 integrated model. The use of helium is at present concluded to be unsustainable with respect to long-term supply security, because of lack of significant recycling.