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Science Talk: Powering towards net-zero emissions: a challenging but rewarding journey
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The recent COP26 climate conference saw more than 140 countries making net-zero greenhouse gas emission pledges.
PHOTO: BLOOMBERG
Choi Shing Kwok
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SINGAPORE - For over 200 years, economies have grown on the back of fossil fuels: First, it was coal, then oil, and now - increasingly - natural gas.
This fossil fuel dependency has resulted in growing amounts of carbon dioxide being pumped into the atmosphere, upsetting the delicate conditions that make the Earth a hospitable environment for man.

