Also, it's wild to take off from Delhi in an airplane with smoke that thick -- you go from grey, smokey, low visibility to a bright blue sun shining sky. You just look down and see an orb of smoke engulfing the city.
It can change for the better, but it needs people that believe that future is possible and worth fighting for.
“Why doesn’t the central government just…” inevitably is answered with “They can’t.”
It has happened before
The issue is that local politicians are preventing the enforcement of those laws because the temporary economic inconvenience to their voting base (farmers) trumps the health concerns of people in another state.
And this is compounded by the economic reality of farming in much of Indian: in many years, the cost of chipping the plant remains, or even just preparing them to be chipped (assuming service is provided for free by government) instead of simply burning them can push many farmers into bankruptcy.