Question

In an essay, which word or phrase would create a logical transition between these two sentences?
Every part of nature is being depleted by overuse and lack of care, and no one seems concerned.
There are people who care!

however

therefore

and

in addition

Answer 1

however

Answer 2

Therefore.

Say you write something like

"Birds tend to fly, therefore you'll find them in the sky."

However compares and contrasts things so I don't think that's right.