I think you're right some people don't care. It is difficult to put my head around the whole issue. Most people get emotional, and launch data that is not always factual [on both sides of the issue].
I was always taught, if you believe in something - do something.
If you think climate change is an issue, do something. Spend your weekend planting trees, for example. There are all kinds of examples of people doing just that ... one tree at a time.
Alan Savoy in his TED talk, showed just planting trees is not enough. You need plants and animals in concert to heal the land, which can heal the climate.
https://www.ted.com/talks/allan_savory_how_to_green_the_world_s_deserts_and_reverse_climate_change
When you put how you feel into action, you make a difference in the world. If you sit at home and 'feel' something, the only thing that changes is you. The rest of the world continues to turn, and turn, and ...
One of the few presentations on climate change that resonates with me is Gabe Brown's presentation on treating a farm as an ecosystem. Now here is someone who walks the walk.
Here is the first part of the presentation, if you 'feel' passionately about climate change, there are some good and effective actions to be taken. Watch all 5 parts, if you dare.
And remember Love and Care are what you do, not what you feel.
PS Cows are not the problem, mismanagement of cows is perhaps.