Humanity faces an array of existential challenges that we know how to solve.
> If it's even 5% of the global population—around 400 million people
I highly doubt that even 1% of the population is willing to spend $250 on solving ocean pollution. That’s a huge amount of money for most countries.
added a footnote on that
this is an extreme example where you can fix the ocean pollution problem in just one year. consider doing it over longer periods of time. consider the amounts people pay for taxes per year today (much more than $250).
> If it's even 5% of the global population—around 400 million people
I highly doubt that even 1% of the population is willing to spend $250 on solving ocean pollution. That’s a huge amount of money for most countries.
added a footnote on that
this is an extreme example where you can fix the ocean pollution problem in just one year. consider doing it over longer periods of time. consider the amounts people pay for taxes per year today (much more than $250).