Do you think there are too many people in the world? What should we do about it?

In the last 50 years (my lifetime) the population of the world has more than doubled from 3 billion to 6.5 billion, and by the time my children are around my age in 2040 the population will reach 9 billion or more.


We cannot agree to feed 1 billion people now, and as oil-subsidised food declines and food prices rise, how will we take responsibility for another 3 billion people to feed?

What do you think we can we do to limit population?

European wind farms could meet global energy demand, researchers now say

A new study estimated the untapped potential of wind energy across Europe.

Pixabay
Surprising Science
  • A new report calculated how much electricity Europe could generate if it built onshore wind farms on all of its exploitable land.
  • The results indicated that European onshore wind farms could supply the whole world with electricity from now until 2050.
  • Wind farms come with a few complications, but the researchers noted that their study was meant to highlight the untapped potential of the renewable energy source in Europe.
Keep reading Show less

First solar roadway in France turned out to be a 'total disaster'

French newspapers report that the trial hasn't lived up to expectations.

Image source: Charly Triballeau / AFP / Getty Images
Technology & Innovation
  • The French government initially invested in a rural solar roadway in 2016.
  • French newspapers report that the trial hasn't lived up to expectations.
  • Solar panel "paved" roadways are proving to be inefficient and too expensive.
Keep reading Show less

New vaccine (for cats) nixes allergic reactions for humans

You want one. Now you may be able to survive one.


Photo credit: Jie Zhao
/ Getty contributor
Technology & Innovation
  • Cats live in a quarter of Western households.
  • Allergies to them are common and can be dangerous.
  • A new approach targets the primary trouble-causing allergen.
Keep reading Show less