Just like Amnesty International, writing letters and making a big media fuss is the best way to alert the public about the injustice and help end it. I'm sure this includes all animals, from the smallest to the biggest. The numbers are astounding. I'm sure much of this is due to carelessness and lack of caring, but a lot is unavoidable. I can't see what can be done to reduce those numbers.
Individuals can be careful and give help when needed.
The speed limits will probably never be reduced to a safe level. The animals will continue to be the losers. She already had one, but wanted another one that was small. I knew her long enough to know that she took very good care of the one dog she had. But - every rescued dog I showed her wasn't the right color, size, shape, gender, etc.