The 56-year-old activist, however, has good words for Indian youth whom he said had the best attitude in the world towards environment.
"If India goes on the way it is going with only economic growth concerns, it is going to end up with a lot of wealth, no water and swimming in its own waste.
"I saw heaps of garbage in IT city Bangalore, in Delhi and other cities. The government stakeholders must put sustainability on their agenda," Swan told PTI on the sidelines of launch of fifth phase of 'Project SEARCH'.
"We travel to Antarctica every year and last year 80 people from 28 nations were with us. And what they realised when they reached there was that nature could slap us back in fury if we violated it. But, it also gave them hope and do what could be possible...," he added.
Hailing the enthusiasm of Indian youth towards environment as the "best in the world", he said said it is the country's youth that "still keeps him going in India".