By 2050, the world will have a population of 10 billion if current growth rates are sustained, Newsroom reports. If everyone was to have the lifestyle of affluent western nations, the world’s economy would be 15 times larger and likely lead to a planetary collapse. “Yet we are more or less still pursuing this suicidal course,” warns Dr Philip Temple. He says we need “less pursuit of wealth and more focus on community wellbeing and co-operation.”