This is an article of notable issues relating to the terrestrial environment of Earth in 2022.
They relate to environmental events such as natural disasters, environmental sciences such as ecology and geoscience with a known relevance to contemporary influence of humanity on Earth, environmental law, conservation, environmentalism with major worldwide impact and environmental issues.
Researchers report the development of a viable flash JH-based process to recover rare-earth elements used in modern electronics from industrial wastes with practical potential to reduce environmental/health impacts from mining, waste-generation and imports if it can be scaled up.
NASA publishes its latest Sea Level Rise Technical Report, an update of the 2017 edition, which includes projections for sea-level rise through to the year 2150. The agency warns that sea levels may rise as much over the next 30 years as during the previous 100.
UN researchers publish a comprehensive study about climate change impacted wildfires with projections (e.g. a 31–57% increase of extreme wildfires by 2100) and information about impacts and countermeasures.
The IPCC releases the second part of its Sixth Assessment Report on climate change. It shows that any further delay in concerted global action would mean missing the rapidly closing window to secure human wellbeing and the planet's health against cascading impacts.
A study suggests that half of the US population has been exposed to substantially detrimental lead levels in early childhood – mainly from car exhaust whose lead pollution peaked in the 1970s.[globalize]
[toxins] [transport]
March 9
Analysis
Researchers report that, on average, the elderly played "a leading role in driving up GHG emissions in the past decade and are on the way to becoming the largest contributor" due to factors such as demographic transition, low informed concern about climate change and high expenditures on carbon-intensive products like energy which is used i.a. for heating rooms and private transport.
[climate change]
March 10
Analysis, Assessment, Proposal
A study estimates that "relocating current croplands to [environmentally] optimal locations, whilst allowing ecosystems in then-abandoned areas to regenerate, could simultaneously decrease the current carbon, biodiversity, and irrigation water footprint of global crop production by 71%, 87%, and 100%", with relocation only within national borders also having substantial potential.
[food system]
March 16
Analysis, Observation
Researchers report that over 80% of the growth of methane emissions during 2010–2019 was caused by tropical terrestrial emissions.
[methane emissions]
March 21
Observation, Analysis
Before formal publication of the 'Global Carbon Budget 2021' preprint, scientists report, based on Carbon Monitor data, that after COVID-19-pandemic-caused record-level declines in 2020, global CO2 emissions rebounded sharply by 4.8% in 2021, indicating that at the current trajectory, the 1.5 °C carbon budget would be used up within 9.5 years with a two-thirds likelihood.
[climate change]
March 24
Review
Scientists review the biophysical mechanisms by which forests influence climate, showing that beyond 50°N large scale deforestation leads to a net global cooling, that tropical deforestation leads to substantial warmingfrom non-CO2-impacts, and that as well as how standing tropical forests help cool the average global temperature by more than 1 °C.
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