Conserving what is good.
Reforming what is bad.
Progress with intelligence.
Those are conservative values. And they jibe completely with the betterment of the world.
(And, by the way, they are also the values of the Torah and the New Testament.)
The list of conservatives who have either propagated or adopted conservationist values is long and distinguished. For a smattering, take a look at this list at ConservAmerica.org. Doubtless you will find some familiar names, and a few facts that might surprise you.