Suppose the climate was gradually warming for entirely solar reasons, but we thought this had an adverse
impact on human welfare broadly construed (say to include effects on biodiversity etc).
But none of the three big issues, or all of them together, will warrant our dismissal of other concerns that
impinge on human welfare — especially one — suicide — that affects more people each year.
There are thousands of essays, articles and books dealing with population but «Overdevelopment, Overpopulation, Overshoot» provides a convincing new way of understanding the impacts of population
size on human welfare and nature.
As it turned out, of course, Asia more than doubled in size and set off a new industrial revolution whose
impact on human welfare has been of revolutionary proportions by virtually any measure: infant mortality, literacy, life expectancy, caloric intake, etc..
Jenkins proposes to supersede the common argument in environmental ethics between those whose emphasis is
on human welfare («anthropocentrism») and those concerned to give the natural world independent moral standing («non-anthropocentrism» he usually calls it, though «ecocentrism» or «biocentrism» will do).
The effects
on human welfare are opposite.