India, May 20 -- The Sundarbans' climate vulnerability, mangrove ecosystem and Royal Bengal tiger habitat will be discussed at the International Big Cat Alliance summit in Delhi, Union Environment Minister Bhupender Yadav has said.

Yadav said the region's future is linked to global conservation and climate action, and identified responsible ecotourism as a livelihood option with "significant potential".

Experts welcomed the focus on the Sundarbans but warned that large-scale tourism could further damage an ecosystem already under pressure from climate change, salinity and habitat degradation.

The summit is expected to bring together heads of state, ministers, conservation experts and international organisations to discuss protection of...