Fred Pearce says there 's good news attached to the 7 billion population estimate . He says woman are having far fewer children than their forebears ; global population is growing . Today , most kids get to grow up . He says small is new norm as old reasons for having more children are forgotten . Pearce : Problem now is smaller population has upped its consumption , environmental damage .
Fred Pearce says there 's good news attached to the 7 billion population estimate . He says woman are having far fewer children than their forebears ; global population is growing . He says small is new norm as old reasons for having more children are forgotten . Pearce : Problem now is smaller population has upped its consumption , environmental damage .