Will Earth be devastated when the orbit shifts 1 metre towards the Sun? There are some arguments in my country from a population that they are "religious". Then, their argument is that there is a perfect balance in universe and solar system. 
Hence they say that Earth will collapse when the orbit of Earth shifts 1 meter towards the Sun. Is there a something like this? 
What is the mechanism of orbiting, just laws of curvature of space or Newton's gravity laws? Or do you believe that universe is perfectly "designed" and everything in universe is in a perfect balance?
It seems to be a philosophic question but I think that we can understand this only and only by physics and astronomy.
 A: The distance between Earth and sun is not constant as the Earth moves in an elliptic orbital around the sun. Its distance varies by 5 million kilometers between early January and early July. So on average its distance to the sun changes by 1 meter every 3  seconds. The maximum radial speed us about 1 meter per second. Of this answer may not satisfy some people, but you can try.
A: Worth noting is that according to Newton's Laws, the Earth orbits the Sun in an elliptical orbit. If you perturb such an orbit a little, it will remain an elliptical orbit, albeit with slightly different eccentricity. So no: the Earth will not be "devastated" in the sense that it falls into the Sun.
A different orbit will, however, lead to a different amount of solar radiation reaching the Earth. Whether that kills life on Earth is a separate question that has as much to do with biology as with physics. I don't know the answer to that, although I'd be surprised if a perturbation of only 1 meter can devastate life on Earth (keep in mind the Earth's distance from the Sun already varies by more than 1 meter throughout the year).
