In 1966 there were only 10,000 humpback whales left in the world. Now there are 80,000.
Four generations ago only 42% of the world’s young people saw racial diversity as a positive thing, now 62% do.
Britain’s woodland cover has returned to medieval levels.
Finland leads the way in a global push to help school children learn to identify fake news through awareness, research and critical thinking.
The number of women in occupations based in math, science, technology and engineering has gone up by 42% since 1970.