One of the effects of climate change predicted by climate scientists is that "weather events" are likely to become more frequent and more severe.
A lot nowadays!! A lot nowadays!!
In general, the social abuse happening nowadays in more subdued as compared to recent years. Today, people are more protected by laws that govern them.
My search on "Calamities" produced nothing.
The Three Calamities was created in 1999.
that depends on the calamity. Some calamities however, can't be prevented, like many natural disasters. An earthquake for instance, is caused by suck great forces of nature, that we can't prevent it from happening. What we can do, is create a plan to minimise damage. so for instance you'll be able to evaquate many people quickly from the disaster area. still, your question is quite general. with some calamities you can do more than with others.
blowing a lot of smoke
Probably
No "NATURAL" calamities are man made.
When there is a lot of snow.
politian are stupid, people are murdering other and crime goes up nowadays
actually we cant really prevent natural calamities but we should be ready!
It makes more sense to say, "In this time of calamities you will be safe."