Climate Change ☀️
How climate change affects Colombia's coffee production
If your day started with a cup of coffee, there's a good chance your morning brew came from Colombia. Home to some of the finest Arabica beans, the country is the world's third largest coffee producer. Climate change poses new challenges to coffee production in Colombia, as it does to agricultural production anywhere in the world, but a new University of Illinois study shows effects vary widely depending on where the coffee beans grow.
Read the full article: https://www.sciencedaily.com/releases/2021/04/210405175607.htm

A spike in Arctic lightning strikes may be linked to climate change
Climate change may be sparking more lightning in the Arctic.

Data from a worldwide network of lightning sensors suggest that the frequency of lightning strikes in the region has shot up over the last decade, researchers report online March 22 in Geophysical Research Letters. That may be because the Arctic, historically too cold to fuel many thunderstorms, is heating up twice as fast as the rest of the world (SN: 8/2/19).

The new analysis used observations from the World Wide Lightning Location Network, which has sensors across the globe that detect radio waves emitted by lightning bolts. Researchers tallied lightning strikes in the Arctic during the stormiest months of June, July and August from 2010 to 2020. The team counted everywhere above 65° N latitude, which cuts through the middle of Alaska, as the Arctic.

The number of lightning strikes that the detection network precisely located in the Arctic spiked from about 35,000 in 2010 to about 240,000 in 2020. Part of that uptick in detections may have resulted from the sensor network expanding from about 40 stations to more than 60 stations over the decade.
Read the full article: https://www.sciencenews.org/article/arctic-lightning-climate-change-global-warming

Discovery is key to creating heat-tolerant crops
By 2050, global warming could reduce crop yields by one-third. To modify plants' response to heat, scientists must first understand how plants sense temperature. Researchers have discovered a gene that's key to this process.

Warmer temperatures signal to plants that summer is coming. Anticipating less water, they flower early then lack the energy to produce more seeds, so crop yields are lower. This is problematic as the world's population is expected to balloon to 10 billion, with much less food to eat.
Read the full article: https://www.sciencedaily.com/releases/2021/04/210406084057.htm

Beef industry can cut emissions with land management, production efficiency
A comprehensive assessment of 12 different strategies for reducing beef production emissions worldwide found that industry can reduce greenhouse gas (GHG) emissions by as much as 50% in certain regions, with the most potential in the United States and Brazil.

Globally, cattle produce about 78% of total livestock GHG emissions. Yet, there are many known management solutions that, if adopted broadly, can reduce, but not totally eliminate, the beef industry's climate change footprint.

... The biggest impact was found in integrated field management, including intensive rotational grazing schemes, adding soil compost, reforestation of degraded areas and selectively planting forage plants bred for sequestering carbon in soils.
Read the full article: https://www.sciencedaily.com/releases/2021/04/210406092656.htm

Droughts longer, rainfall more erratic over the last 50 years in most of Western US
Dry periods between rainstorms have become longer and more erratic across the West during the past 50 years. Total yearly rainfall has decreased by about four inches over the last five decades, with rain falling in fewer and sometimes larger storms, along with longer dry intervals between. The longest dry period in each year increased from 20 to 32 days.

Extreme droughts are also occurring more often in the majority of the West according to historical weather data as there has been an increase in the year-to-year variation of both total rainfall amounts and the duration of dry periods.
Read the full article: https://www.sciencedaily.com/releases/2021/04/210406092659.htm

To intervene or not to intervene? That is the future climate question
Nine of the hottest years in human history have occurred in the past decade. Without a major shift in this climate trajectory, the future of life on Earth is in question, which poses a new question: Should humans, whose fossil fueled society is driving climate change, use technology to put the brakes on global warming?
Read the full article: https://www.sciencedaily.com/releases/2021/04/210406092701.htm

Mapping North Carolina's ghost forests from 430 miles up
Emily Ury remembers the first time she saw them. She was heading east from Columbia, North Carolina, on the flat, low-lying stretch of U.S. Highway 64 toward the Outer Banks. Sticking out of the marsh on one side of the road were not one but hundreds dead trees and stumps, the relic of a once-healthy forest that had been overrun by the inland creep of seawater. Throughout the U.S. East Coast, trees are dying off as rising seas and higher storm surges push saltwater farther inland. While these 'ghost forests' are becoming more common in North Carolina's coastal plain, scientists had only a rough idea of their extent. A new study mining 35 years of satellite images of a 245,000-acre area in the state's Albemarle-Pamlico Peninsula shows that, between 1985 and 2019, 11% of the area's tree cover succumbed to saltwater.
Read the full article: https://www.sciencedaily.com/releases/2021/04/210406120653.htm

Climate change, periodic modification of Earth’s climate brought about as a result of changes in the atmosphere as well as interactions between the atmosphere and various other geologic, chemical, biological, and geographic factors within the Earth system.

Source: Climate change - Evidence for climate change | Britannica
Climate Change is the defining issue of our time and we are at a defining moment. From shifting weather patterns that threaten food production, to rising sea levels that increase the risk of catastrophic flooding, the impacts of climate change are global in scope and unprecedented in scale. Without drastic action today, adapting to these impacts in the future will be more difficult and costly.

Source: Climate Change | United Nations