30 years and 2.5 billion humans ago ...
"The Earth’s population at the time of the Rio summit?” 5.5 billion. And now? 8+ billion. - Its 30 years since the first Earth Summit in Rio - “The best time to plant that tree was 30 years ago” - “The next best time is today” looks at the gain vs the gap. Are we further ahead than we might have been? - Can fashion…