Here we read yet another of so many warnings of the existential threats to the future of Spaceship Earth that continue to be ignored by the political and economic decision-makers who can really make a difference, although most humans are contributing to the problem. And also here in another article is a list of specific of trends over the last 25 years that concerns the 15000 signatory scientists from 184 countries:
- A 26 percent reduction in the amount of fresh water available per capita
- A drop in the harvest of wild-caught fish, despite an increase in fishing effort
- A 75 percent increase in the number of ocean dead zones
- A loss of nearly 300 million acres of forestland, much of it converted for agricultural uses
- Continuing significant increases in global carbon emissions and average temperatures
- A 35 percent rise in human population
- A collective 29 percent reduction in the numbers of mammals, reptiles, amphibians, birds and fish
Global trends have worsened since 1992, the authors wrote, when more than 1,700 scientists—including a majority of the living Nobel laureates at the time—signed a “World Scientists’ Warning to Humanity” published by the Union of Concerned Scientists.
The article was written by an international team led by William Ripple, distinguished professor in the College of Forestry at Oregon State University. The authors used data maintained by government agencies, nonprofit organizations and individual researchers to warn of “substantial and irreversible harm” to the Earth.
“Some people might be tempted to dismiss this evidence and think we are just being alarmist,” said Ripple. “Scientists are in the business of analyzing data and looking at the long-term consequences. Those who signed this second warning aren’t just raising a false alarm. They are acknowledging the obvious signs that we are heading down an unsustainable path. We are hoping that our paper will ignite a wide-spread public debate about the global environment and climate.”
The gap between the worldviews of scinentists and those who hold power and wealth in our world remains worryingly wide. Clearly they are motivated by very different priorities. But all presumably would not wish to hasten the collapse of global equilibrium. Most of them must want the best for their children and grandchildren.