Too many appear to be unaware of the severity of these problems -

ONE MORE TIME: 

 https://mahb.stanford.edu/blog/thresholds-cascades-and-wicked-problems/

Not only my opinion. Be Well

Resilience is One of the Keys, and It's Largely Missing

The short essay at the first link below introduces us to the elements in an essential global transformation.  For most of us, it's too overwhelming to think globally relative to solutions/resilience to problems Earth faces.  But that's not true if our starting point is the individual - each of us - then family, then neighborhood, then community, then region, etc.

In order to survive and thrive as a species, we must deal decisively with all the current stressors:  ecological, economic, social, and technological.  As I've said before, at the root of it all is ethics and our worldview - in other words, our spirituality (not "religion").  In general, aggregate humanity clearly is on a destructive path.  Changing that starts with each of us changing our own consciousness.  Fortunately, many have done that.  It's important, though, to not become self-righteous about it, and intolerant of opposing views.  Unfortunately, especially in fully developed countries, intolerance often seems to be the norm nowadays - on all "sides".  [Every time I hear President Trump speak, I wrestle with intolerance in myself:]  We all need to work on overcoming that, but it doesn't mean we should become tolerant of criminals.  Some actions all "sides" know are unquestionably wrong.

We humans all should concentrate on cooperation rather than competition, being open-minded rather than narrow-minded, viewing Nature for its intrinsic (not just utilitarian) value, and viewing existence as a joyous journey rather than a dog-eat-dog rat-race.  If we don't do all that, it's a safe bet that Nature will put us in a place much worse than the one we're in now.  Earth will survive; organized human existence may not.

https://mahb.stanford.edu/blog/surviving-the-perfect-storm/

Here's a project worth exploring -  https://resilienceproject.ngo/ .

There is a fruitful, reasonable path forward.  What's needed is the will to take it.  With education, application, cooperation, and perseverance, I believe we can do it.  We must do it.
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Not only my opinion.  Stay Well 

"Why Societies Collapse"

by the notable geographer, Jared Diamond.
https://www.youtube.com/watch?v=IESYMFtLIis
Diamond is the author of Guns, Germs, & Steel and several other books on the human condition.

This TED Talk is all about sustainability.  He uses examples from the distant Past and Modern Day.  The clip is from 2003, and is completely relevant today.
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Despite the deep denial by some people, we clearly are at the beginning of an eco-catastrophe of monumental proportions.  It goes way beyond fossil fuels, or green energy, or recycling, or the literal insanity of nuclear weapons & nuclear waste, or any number of other individual, "environmental" problems. 

This catastrophe also involves aspects of Human Ecology which we largely have been unwilling to face--- 
1.  a lack of ethics,
2.  social and income inequality,
3.  racism,
4.  the anachronistic stratification of social classes,
5.  the misinterpretation of "religion",
6.  a lack of spirituality,
7.  intolerance of "the other side",
8.  shallow values,
9.  ignorance of systems in Nature,
10.  the tendency to embrace opposition rather than cooperation,
11.  failure to recognize the degree to which we are propagandized, and
12.  the utter arrogance of the human species relative to other life forms on Earth.
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Professor Diamond shows us a methodology for analyzing our predicament, and educating others as to a way forward.  It's a hopeful message.
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Not only my opinion.  Stay Well