TAIPEI/SEOUL -- Insufficient access to renewable energy in their home markets has left Asia's biggest chipmakers lagging behind their U.S. and European rivals in the race to cut carbon emissions.

The industrywide push to adopt renewable energy may force TSMC, Samsung and regional peers to consider expanding chip plants beyond their home soil. (Source photos by AP and TSMC)
Dearth of renewable energy at home leaves titans lagging U.S. and European peers