Global Warming

State of the Climate in Asia 2024

The World Meteorological Organization’s State of the Climate in Asia 2024 report warns that the region is warming nearly twice as fast as the global average, driving more extreme weather and posing serious threats to lives, ecosystems, and economies. In 2024, Asia experienced its warmest or second warmest year on …

Arctic sea ice will miss record low despite major melt, experts say

Though Arctic sea ice started the summer at record lows, it is unlikely to set a new record annual minimum, reports Climate Central As the sun begins its seasonal descent in the Arctic sky and temperatures drop, the summer melt of sea ice is slowing down. In the next few …

Brown to green - Assessing the G20 transition to a low-carbon economy

The effects of climate change, which we are already witnessing, are the consequence of rising concentrations of greenhouse gases (GHGs). At the moment, absolute emissions are still rising, caused by our overwhelmingly fossil fuel-based energy system (our “brown infrastructure”). From 1990 to 2013, G20 energy-related CO2 emissions – the most …

Australia needs two emissions trading schemes, Climate Change Authority says

The Climate Change Authority has advised the Australian government to institute two emissions trading schemes and strengthen regulations in order to meet Australia’s 2030 emission reduction targets and to allow it to lift those targets in line with international climate change obligations. The move is expected to put pressure on …

Climate change has less impact on drought than previously expected

As a multiyear drought grinds on in the Southwestern United States, many wonder about the impact of global climate change on more frequent and longer dry spells. As humans emit more carbon dioxide into the atmosphere, how will water supply for people, farms, and forests be affected? A new study …

Humans sparked warming nearly 200 years ago

Global warming may have started far earlier than anyone has so far imagined. The first signs of climate change driven by rising levels of atmospheric carbon dioxide may have been there in the year the world’s first intercity railway link opened between Manchester and Liverpool, when the Duke of Wellington …

Explaining ocean warming: Causes, scale, effects and consequences

Ocean warming may well turn out to be the greatest hidden challenge of our generation. Whilst some may be aware of the challenges a warming ocean presents to coral reefs, few know about the other consequences this holds for the ocean. Ocean acidification emerged as a new story around 2004, …

What is meant by ‘balancing sources and sinks of greenhouse gases’ to limit global temperature rise?

The Paris Agreement from the 21st Conference of Parties (COP21) to the UN Framework Convention on Climate Change (UNFCCC) in December 2015 states that by 2050-2100, there should be a “balance between anthropogenic emissions by sources and removals by sinks of greenhouse gases” (GHGs) to limit the global mean temperature …

Monte Carlo modelling projects the loss of most land-terminating glaciers on Svalbard in the 21st century under RCP 8.5 forcing

The high Arctic archipelagos around the globe are among the most strongly glacierized landscapes on Earth apart from the Greenland and Antarctic ice sheets. Over the past decades, the mass losses from land ice in the high Arctic regions have contributed substantially to global sea level rise. Among these regions, …

Tree growth acceleration and expansion of alpine forests: The synergistic effect of atmospheric and edaphic change

Many forest ecosystems have experienced recent declines in productivity; however, in some alpine regions, tree growth and forest expansion are increasing at marked rates. Dendrochronological analyses at the upper limit of alpine forests in the Tibetan Plateau show a steady increase in tree growth since the early 1900s, which intensified …

Climate change high on the agenda for John Kerry at the second US-India Strategic Dialogue

NEW DELHI: Climate change is high on the agenda for US Secretary of State John Kerry at the second US-India Strategic Dialogue. Three issues will dominate the US climate change agenda at the dialogue and its side meetings: formal accession to the Paris Agreement for an early entry into force, …

Northern India contributes to shrinking of glaciers in Third Pole, claims study

Apart from global warming, another factor that aggravates the melting of glaciers in the Third Pole is air pollution. China and India are among the worst-ranked countries in air pollution. The region covering the mighty Himalaya-Hindukush mountains and the Tibetan plateau happens to be the third largest ice-covered region on …

Insurers call on G20 to phase out fossil fuel subsidies by 2020

Aviva(AV.L), Aegon NV (AEGN.AS) and MS Amlin (APLCF.PK) said fossil fuel subsidies were at odds with commitments by G20 nations to combat global warming agreed by almost 200 countries last year at a Paris summit. "Climate change in particular represents the mother of all risks," Aviva CEO Mark Wilson said …

Plants' future water use affects long-term drought estimates

As humans pump carbon dioxide into the atmosphere and global temperatures rise, many questions loom. One major issue is how much fresh water will be available for people, forests and agriculture. A study led by the University of Washington shows that popular long-term drought estimates have a major flaw: They …

Scientists just declared the dawn of a new, human-influenced epoch

Thanks to all our plastic pollution and nuclear testing, humans have cut short a 11,700-year-old geological epoch known as the Holocene, and have initiated a new, human-influenced epoch called the Anthropocene, experts say. An international team of researchers recommended to the International Geological Congress in Cape Town, South Africa on …

Plant responses to increasing CO2 reduce estimates of climate impacts on drought severity

We show that the water savings that plants experience under high CO2 conditions compensate for much of the effect of warmer temperatures, keeping the amount of water on land, on average, higher than we would predict with common drought metrics, and with a different spatial pattern. The implications of plants …

Wood fuel plan to cut plane CO2 branded as 'pipe dream'

Isobutanol is more powerful than ethanol and has now been approved for use in aircraft fuel blends Plans to cut airline CO2 using greener jet fuels made from waste wood have been dismissed as a "pipe dream" by environmentalists. Several high octane, waste-based biofuels are being tested by airlines as …

Larsen C Ice Shelf Starts To Crack, Leaving The Remaining Iceberg In Danger

Scientists who have been observing Antarctica have observed the progression of a large crack in one of the world's great ice shelves, the Larsen C. The crack is threatening to break off an iceberg with a size as big as Delaware. Since the crack is spreading quickly, the collapse could …

Climate change to double number of hay fever sufferers

Climate change and the spread of invasive ragweed are set to double the number of seasonal allergy sufferers across Europe, with similar impacts likely in North America, researchers say. By mid-century, some 77 million people in Europe will be hit by hay fever misery, up from 33 million today, they …

Climate change predicted to halve coffee-growing area that supports 120m people

More than 120 million of the world’s poorest depend on the coffee economy, a report says, and their livelihoods are already suffering from temperature rises Climate change is going to halve the area suitable for coffee production and impact the livelihoods of more than 120 million of the world’s poorest …

New England on edge as mussel numbers decline

The Gulf of Maine’s once strong population of wild blue mussels is disappearing, scientists say. A study led by marine ecologists at the University of California at Irvine found the numbers along the US gulf coastline have declined by more than 60 percent over the last 40 years. Once covering …

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