wildfires

Scientists confirm record highs for three most important heat-trapping gases

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https://www.theguardian.com/environment/2024/apr/06/record-highs-heat-trapping-gases-climate-crisis

A young woman protects herself from the sun in São Paulo, Brazil, on 14 November 2023. Photograph: Sebastião Moreira/EPA

Global concentrations of carbon dioxide, methane and nitrous oxide climbed to unseen levels in 2023, underlining climate crisis

The levels of the three most important heat-trapping gases in the atmosphere reached new record highs again last year, US scientists have confirmed, underlining the escalating challenge posed by the climate crisis.

The global concentration of carbon dioxide, the most important and prevalent of the greenhouse gases emitted by human activity, rose to an average of 419 parts per million in the atmosphere in 2023 while methane, a powerful if shorter-lasting greenhouse gas, rose to an average of 1922 parts per billion. Levels of nitrous oxide, the third most significant human-caused warming emission, climbed slightly to 336 parts per billion.

The increases do not quite match the record jumps seen in recent years, according to the National Oceanic and Atmospheric Administration (Noaa), but still represent a major change in the composition of the atmosphere even from just a decade ago.

Through the burning of fossil fuels, animal agriculture and deforestation, the world’s CO2 levels are now more than 50% higher than they were before the era of mass industrialization. Methane, which comes from sources including oil and gas drilling and livestock, has surged even more dramatically in recent years, Noaa said, and now has atmospheric concentrations 160% larger than in pre-industrial times.

Noaa said the onward march of greenhouse gas levels was due to the continued use of fossil fuels, as well as the impact of wildfires, which spew carbon-laden smoke into the air. Nitrous oxide, meanwhile, has risen due to the widespread use of nitrogen fertilizer and the intensification of agriculture.

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Because of a lag between CO2 levels and their impact, as well as the hundreds of years that the emissions remain in the atmosphere, the timescale of the climate crisis is enormous. Scientists have warned that governments need to rapidly slash emissions to net zero, and then start removing carbon from the atmosphere to bring down future temperature increases.

https://www.theguardian.com/environment/2024/apr/06/record-highs-heat-trapping-gases-climate-crisis

Continue ReadingScientists confirm record highs for three most important heat-trapping gases

(Part of) Wildfires 101: Everything You Need to Know

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Canadian wildfire 2023
Canadian wildfire 2023

https://www.ecowatch.com/wildfires-facts.html

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Wildfires, also commonly called forest fires or bushfires, are unplanned and uncontrolled fires burning in a vegetated landscape, such as a forest or grasslands. Many wildfires are sparked by human activity, such as campfires, or natural causes, like lightning. Dry conditions and prolonged droughts, which are becoming more frequent with climate change, exacerbate the risks of wildfires. Droughts, high winds, and other extreme weather are also making wildfires more common and more powerful, with larger blazes that burn for longer and expand across more land.

From 1998 to 2017, over 2,400 human deaths were attributed to both wildfires and volcanoes. Even when people can evacuate an affected area, they may lose their homes or businesses to the fires. Wildfires can also kill wildlife in the habitats that catch fire. Further, wildfires feed back into a loop, worsening climate change by releasing more carbon dioxide and fine particulate matter into the air.

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Climate change brings increasing temperatures and drier conditions that can fuel wildfires around the world. Researchers expect significant increases in wildfire risks in the U.S., South America, central Asia, southern Europe, southern Africa and Australia from 2070 to 2100. [Don’t we already have that?]

Even in the UK, typically considered a colder locale, experts are telling citizens to expect more wildfires in the near future as extreme heatwaves grip the nation. 

The expected increase in wildfires will bring with it more emissions and more forest loss, according to a recent study. As fire seasons become longer and more severe, forest loss due to wildfires is steadily increasing, with the highest losses occurring in boreal forests, which span Canada, China, Finland, Japan, Norway, Russia, Sweden and the U.S. 

You can track ongoing fires through NASA’s Global Fire Tracking tool.

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Wildfires are worsening in many countries globally, including the U.S., and are expected to become more of an issue in places they weren’t previously, like in the UK. Australia is particularly vulnerable to increasing blazes, as are regions of boreal forests.

As a part of nature, wildfires do play an essential part in promoting biodiversity, but only when they occur at a natural rate. Human activity and climate change are spurring more intense and more frequent fires that contribute more emissions, feeding into a loop that worsens climate change. 

Air pollutants from wildfires worsen air quality, putting the health of wildlife and humans at risk and costing countries billions of dollars per year to contain the blazes and pay for damages. Wildfires can also kill off vulnerable wildlife, as is the case for endangered koalas in Australia that recently lost tens of thousands from the already low population, and injure and/or displace thousands more animals.

Ultimately, the goal is not to end wildfires. They are an essential part of many ecosystems, but the fact that they are getting bigger and are happening more frequently does more harm than good. Thankfully, it’s not too late to minimize the number of wildfires.

We can reduce the number of human-made wildfires by staying aware of ongoing weather conditions. When conditions are dry, hot, and windy, avoid any activities that could create a spark or spread smoke and flames. Even driving your car or mowing the lawn can start a fire, so be mindful during high fire risk conditions.

Human-caused or not, wildfires can be destructive. If you live in an area prone to fires, make sure you have a safety plan in place, with supplies ready to go if you need to evacuate or are left without power for long periods of time.

Wildfires are another part of our world, and they are only expected to worsen as the world grows hotter. While we can mitigate personal risks, working collectively with governments and corporations to slow climate change is the best way to minimize wildfire risks worldwide.

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https://www.ecowatch.com/wildfires-facts.html

Continue Reading(Part of) Wildfires 101: Everything You Need to Know

The system won’t change, we have to change the system.

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dizzy: I’m speaking for myself only.

Politics has failed to address the climate crisis in any meaningful way. Our contemporary politics which I regard as a plutocracy as opposed to a democracy – meaning that it serves a small elite of incredibly rich and powerful people – cannot address the climate crisis because it is serving the climate-destroying plutocrats. Since the system won’t change, we have to change the system. There’s no ifs or buts about this – climate records are getting broken month by month and in the summer it will be back to breaking climate records day by day. Our politics have absolutely failed to address this so we have to change our politics. It’s not a big deal – politicians need to start serving the electorate instead of the rich and powerful.

Continue ReadingThe system won’t change, we have to change the system.

‘Five-Alarm Fire’ as Global Temps Breach 2°C Threshold

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Canadian wildfire 2023
Canadian wildfire 2023

Original article by OLIVIA ROSANE republished from Common Dreams under Creative Commons (CC BY-NC-ND 3.0). 

While scientists were quick to point out that this was just a daily anomaly, not a permanent shift, it is a “canary in the coalmine” that “underscores the urgency of tackling greenhouse gas emissions.”

Global temperatures surpassed 2°C above preindustrial levels for the first time Friday, according to preliminary data from the European Union’s Copernicus Climate Change Service.

The European Centre for Medium-Range Weather Forecasts’ ERA5 data set showed global service air temperatures rising 2.07°C above the 1850-1900 average on Friday and 2.06°C above that average on Saturday, the service said.

“This is a five-alarm fire for humanity,” the group Climate Defiance tweeted in response to the figures.

In the 2015 Paris agreement, world leaders set out to keep warming to “well-below” 2°C above preindustrial levels. Allowing warming to breach that point increases several climate risks, according to the Intergovernmental Panel on Climate Change (IPCC): 2°C of warming compared with 1.5°C would raise sea levels by an additional 0.1 meters by 2100, destroy 99% of coral reefs instead of 70% to 90%, and expose several hundred million more people to poverty and climate-related hazards by 2050.

Friday’s 2°C breach was first noted by Copernicus Climate Change Service deputy director Samantha Burgess on social media Sunday. She said the day was also 1.17°C above the 1991-2020 average, making it the warmest November 17 on record.

Scientists were quick to point out that this doesn’t mean global heating has breached the 2°C threshold long-term.

“The 1.5°C and 2°C warming thresholds have been defined in terms of the trend line,” University of Pennsylvania climate scientist Michael Mann tweeted. “Not individual years, let alone months, weeks, or days (the shorter the time period, the larger the random fluctuations). Those who imply otherwise are misleading you.”

Richard Allan, professor of climate science at the University of Reading in the U.K., told CNN that it was “entirely expected that single days will surpass 2°C above preindustrial well before the actual 2°C target is breached over many years.”

“We are blowing past warning signs with wild abandon. We are approaching the precipice and flooring the gas.”

That said, the reading was a “canary in the coalmine” that “underscores the urgency of tackling greenhouse gas emissions,” Allan said.

It also comes in a year of dropping canaries: The 12 months from November 2022 to October 2023 were the 12 hottest on record, according to a Climate Central analysis. 2023 saw the hottest Northern Hemisphere summer on record, the hottest month in July, and is likely to be the hottest year not just since record-keeping began, but in the last 125,000 years. And it’s not just numbers. The record-breaking temperatures fueled deadly heatwaves, wildfires, and floods around the world.

“The indicators are flashing red,” Climate Defiance wrote. “The planet’s vital signs are clear. Humanity is on life support. With the El Niño cycle just beginning, this 2°C breach sadly represents not a climax but a small taste of what is to come.”

“This is happening faster than expected,” the group continued. “We are blowing past warning signs with wild abandon. We are approaching the precipice and flooring the gas. This is madness. Utter madness.”

The 2°C breach comes a little less than two weeks from the start of the next United Nations Climate Change Conference in the United Arab Emirates. A recent report from U.N. Climate Change found that national plans were still incompatible with limiting warming to 1.5°C and that world leaders must take “bold strides forward” at the conference “to get on track.” More than 650 scientists have signed a letter to President Joe Biden urging him to back a fossil-fuel phaseout at the talks.

“It’s just one day (so far) above 2°C, but it highlights again that the world is approaching the limits set out by the Paris Agreement,” IPCC scientist Ed Hawkins tweeted. “We already have many of the solutions to rapidly reduce emissions and halt the rise in global temperatures. We just need to choose to use them.”

Original article by OLIVIA ROSANE republished from Common Dreams under Creative Commons (CC BY-NC-ND 3.0). 

Continue Reading‘Five-Alarm Fire’ as Global Temps Breach 2°C Threshold

Young people to take 32 European countries to court over climate policies

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https://www.theguardian.com/environment/2023/sep/14/young-people-to-take-32-european-countries-to-court-over–climate-policies

Canadian wildfire 2023
Canadian wildfire 2023

Claimants to argue lack of adequate action is breach of human rights, in largest climate legal action to date

Six young people are preparing to appear at the European court of human rights to try to compel 32 nations to rapidly escalate their emissions reductions in the world’s largest climate legal action to date.

Aged from 11 to 24, the six Portuguese claimants, say they were driven to act by their experiences in the wildfires that ripped through the Leiria region in 2017, killing 66 people and destroying 20,000 hectares of forest.

After another summer in which wildfires raged across Portugal, Greece, Spain, Croatia and Italy, the young people will argue in the grand chamber of the Strasbourg court in 13 days’ time that the 32 European nations’ policies to tackle global heating are inadequate and in breach of their human rights obligations.

Crowdfunded by people around the world, who have donated more than £100,000, they are seeking a binding ruling from the judges to force the countries to rapidly escalate their emissions reductions in what would be a historic milestone in climate litigation.

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https://www.theguardian.com/environment/2023/sep/14/young-people-to-take-32-european-countries-to-court-over-climate-policies

Continue ReadingYoung people to take 32 European countries to court over climate policies