Let's begin
With this activity, you will discover key numbers about our Earth-Human system. Here are a few figures to help you quantify the magnitude of the phenomena occurring. Read the question, and then flip the card to answer.
How much arable land has the Earth lost in the past 40 years?
What is the fundamental problem at the heart of sustainable development?
How many climate refugees could we face by 2050?
What is the percent of wildlife population decline since 1970?
Source: The Guardian
Source: World Economic Forum
Source: WWF online report
OLD - Essentials_M1_LetsBegin_v2025
Marie VALENTIN
Created on September 22, 2025
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Transcript
Let's begin
With this activity, you will discover key numbers about our Earth-Human system. Here are a few figures to help you quantify the magnitude of the phenomena occurring. Read the question, and then flip the card to answer.
How much arable land has the Earth lost in the past 40 years?
What is the fundamental problem at the heart of sustainable development?
How many climate refugees could we face by 2050?
What is the percent of wildlife population decline since 1970?
Source: The Guardian
Source: World Economic Forum
Source: WWF online report