What happened this month around the world in five news items: from the decrease in butterflies in the USA to the lack of natural rubber owing to the climate crisis.
What happened around the world in March in five news items, for those interested in the environment, sustainability and ecological transition.
1.
The decline of butterflies in the western United States could be due to warmer autumns.
2.
In 2019 17 per cent of food available to consumers, more than 930 million tonnes, was thrown away.
3.
A feedstuff based on algae could decrease the methane production of cattle, helping to reduce greenhouse gas emissions.
4.
Even with global heating limited to 1.5 degrees, South Asia could suffer dangerous anomalous heatwaves.
5.
We are running out of natural rubber, a raw material used in many objects in common use, owing to climate change and a disease of the tree from which it is obtained.