Agriculture

This is where the world could support new forests. The map excludes existing forests, urban areas, and agricultural lands. J. BASTIN, ET. AL., SCIENCE 365, 76, 2019

CLICK HERE - STUDY - The global tree restoration potential

nytimes.com - by Somini Sengupta - April 25, 2019

. . . What if we grew new forests on vacant city lots, old industrial buildings — even golf courses?

For the first time, scientists have sought to quantify this thought experiment. How many trees could be planted on every available parcel of land on Earth, where they could go, and what impact could that have on our survival?

They concluded that the planet could support nearly 2.5 billion additional acres of forest without shrinking our cities and farms, and that those additional trees, when they mature, could store a whole lot of the extra carbon — 200 gigatons of carbon, to be precise — generated by industrial activity over the last 150 years.

Parts of the study — led by researchers at ETH Zurich, a university that specializes in science, technology and engineering — were immediately criticized.

Outside the small village of Chicua, in the western highlands, in an area affected by extreme-weather events, Ilda Gonzales looks after her daughter.

newyorker.com - by Jonathan Blitzer - Photography by Mauricio Lima - April 3, 2019

. . . In most of the western highlands, the question is no longer whether someone will emigrate but when. “Extreme poverty may be the primary reason people leave,” Edwin Castellanos, a climate scientist at the Universidad del Valle, told me. “But climate change is intensifying all the existing factors” . . . Farming, Castellanos has said, is “a trial-and-error exercise for the modification of the conditions of sowing and harvesting times in the face of a variable environment.” Climate change is outpacing the ability of growers to adapt.

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Richard Oswald stands in a frozen puddle surrounded by unharvested corn. Wet conditions have made harvesting difficult for Oswald and other farmers.  Photograph: Amy Kontras for the Guardian

The changes have become more radical’: farmers are spending more time and money trying to grow crops in new climates

theguardian.com - by Chris McGreal - December 12, 2018

. . . Climate change is likely to make it harder to grow crops, and to make those that do grow more vulnerable to diseases and pests because of rising humidity. The report said heat and diminishing air quality will take its toll on livestock. Farmers will collectively have to spend billions of dollars to adapt. The effects are already seen from prolonged drought in Kansas and torrential rains in Iowa.

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Eric Honselman opens a shed which holds 75,000 bushels of corn he was forced to store after his regular bins were filled to capacity with corn and soybeans on the family farm in Casey, Illinois, U.S., October 25, 2018. REUTERS/Mark Weinraub

reuters.com - Mark Weinraub, P.J. Huffstutter - November 21, 2018

 . . . Across the United States, grain farmers are plowing under crops, leaving them to rot or piling them on the ground, in hopes of better prices next year, according to interviews with more than two dozen farmers, academic researchers and farm lenders. It’s one of the results, they say, of a U.S. trade war with China that has sharply hurt export demand and swamped storage facilities with excess grain . . .

 . . . U.S. farmers planted 89.1 million acres of soybeans this year, the second most ever, expecting China’s rising demand to give them better returns than other bulk crops.

But Beijing slapped a 25 percent tariff on U.S. soybeans in retaliation for duties imposed by Washington on Chinese exports. That effectively shut down U.S. soybean exports to China, worth around $12 billion last year. China typically takes around 60 percent of U.S. supplies.