Rich and Poor
Daily oil consumption is reaching 100 million barrels a day. This will more than triple when China and India have reached the development standard of the USA or Europe. Africa is trying hard to follow. New oil deposits discovered often last for less than one year's current world consumption.
Since 1950 the 20% of humans who consume/pollute/wastelay 80% of the planet have grown to a massive 1300 million from then 480 million.
The 80% of humans who must do with 20% of resources have grown to 5200 million from about 1920 million in 1950.