Tag Archives: declining food production

From Miami to Shanghai: 3C of warming will leave world cities below sea level

how shanghai would look with a rise of just 2c
How Shanghai would look with a rise of just 2C: the UN warned this week of a potential 3C scenario. Photograph: Nickolay Lamm/Courtesy Climate Central

An elevated level of climate change would lock in irreversible sea-level rises affecting hundreds of millions of people, Guardian data analysis shows

November 3, 2017 — Hundreds of millions of urban dwellers around the world face their cities being inundated by rising seawaters if latest UN warnings that the world is on course for 3°C of global warming come true, according to a Guardian data analysis. Continue reading From Miami to Shanghai: 3C of warming will leave world cities below sea level

Study: our Paris carbon budget may be 40% smaller than thought

world climate change conference 2015
Participants looks at a screen projecting a world map with climate anomalies during the World Climate Change Conference 2015 (COP21). Photograph: Stephane Mahe/Reuters

How we define “pre-industrial” is important

July 24, 2017 — In the Paris climate treaty, nearly every world country agreed to try and limit global warming to no more than 2°C above pre-industrial temperatures, and preferably closer to 1.5°C. Continue reading Study: our Paris carbon budget may be 40% smaller than thought

High temperatures to hit staple crops in the US this century, study says

soybean plants ready for harvest
Soybean plants ready for harvest. Credit: ghornephoto/iStock/Getty Images

Staple crops grown in the US could see their yields drop substantially by the end of the century as daily temperatures regularly soar past 30°C, a new study finds

January 20, 2017 — Annual yields of maize, soybean and wheat could decline by 49%, 40% and 22%, respectively, compared to yields under today’s temperatures. Continue reading High temperatures to hit staple crops in the US this century, study says

Why we should have fewer children, to save the planet

children
Children: so cute; so bad for the environment. Photograph: Floresco Productions/Getty Images/Cultura RF

The Earth’s ability to absorb greenhouse gases without violently disrupting the climate is finite, and each additional person contributes to the total amount

September 12, 2016 — Earlier this summer, I found myself in the middle of a lively debate because of my work on climate change and the ethics of having children.  Continue reading Why we should have fewer children, to save the planet