Causes Quote by Pentti Linkola

“The population explosion is the primary force behind the remaining six groups of critical global events [diminishing land resources, diminishing water resources, the destruction…

— Ron Nielsen

Some doomsayers think the collapse will be triggered by runaway government spending, excessive taxation, oppressive regulation, food shortages, fuel shortages or natural disasters such…

— Robert Higgs

The destruction of the environment, its improper or selfish use, and the violent hoarding of the Earth's resources cause grievances, conflicts and wars, precisely…

— Pope Benedict XVI

Devastation could arise insidiously, rather than suddenly, through unsustainable pressure on energy supplies, food, water and other natural resources. Indeed, these pressures are the…

— Martin Rees

Ignorance and inconsideration are the two great causes of the ruin of mankind.

— John Tillotson

It's the next annihilation of vast numbers of species. It is happening now, and we, the human race, are its cause

— Richard Leakey

Enormous forces are affecting the world, and we can't possibly overestimate their importance. These include demographic developments, climate change, digitalization and the rise of…

— Paul Achleitner

We must alert and organise the world's people to pressure world leaders to take specific steps to solve the two root causes of our…

— Jacques Yves Cousteau

The destruction of our environment and resources cannot be stemmed unless the growth of the world's population is stemmed and ultimately reduced.

— Henry W. Kendall

Threats that could wipe out the bulk of life on earth abound. Planetary catastrophe could come in the form of a killer asteroid impact,…

— Ramez Naam

Global warming, along with the cutting and burning of forests and other critical habitats, is causing the loss of living species at a level…

— Al Gore

“It is a turn of events that highlights a certain human arrogance about our destructive powers. It is only hubris to imagine that we…

— Andrew Blackwell