Question

how can you say that humans are responsible for environmental crises​

Answer 1

in short the answer is human which cells create the problems and then find the solutions for that so creation of problem is also done by humans

Answer 2

$\huge\bf\underline{Answer:}$

Yes, because all the harmful activities such as pollution, damaging ecosystems, biodiversity, and natural resources caused directly or indirectly by humans, including global warming, environmental degradation.

industrialization, urbanization is all done by humans