There are plenty of sustainable alternatives for most plastics
Glass is a great alternative for most plastic bottles
Plastic packaging can be eliminated. Newer, cellulose-based packaging is water proof, sustainable and cheaper.
One-time use plastic can be eliminated - especially cutlery, straws and such 'optional' items.
100% recycling is done only in Northern Europe.
There is an online version of Office that can compete
GSuite Sheets no match for Excel
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Medieval Indian mathematicians were far ahead of peers elsewhere in Asia or the West.
A whole lot, in fact the major deal, of mathematical developments in medieval India have been completely blacked out of public knowledge. See this twitter thread - https://twitter.com/i/moments/921689703056687105
Madhava of India discovered Calculus before Newton and others in the West
As per https://www.storyofmathematics.com/indian_madhava.html, mathematician Madhava who lived in what is present-day Kerala had propounded and documented many of the concepts of calculus that were "discovered" by Newton and others in Europe after centuries.
Kashmir is an integral part of India.
This person is not following anyone.