BEIJING - Chinese Premier Wen Jiabao pledged to cut carbon emission and transform the mode of economic development when visiting senior scientists on Sunday morning.

Wen also said China should play a more active role in international climate change consultations and research, while visiting 95-year-old meteorologist Ye Duzheng.

Ye, a top national science and technology award winner, is the creator of the Tibetan Plateau meteorology.

Wen also visited 91-year-old materials scientist Shi Changxu, and 86-year-old neurosurgical expert Wang Zhongcheng

Shi Changxu, also a top national science and technology award winner, is known for his research on superalloy.

Wen recognized Shi's suggestion of listing aircraft engine in China's top scientific and technological research programs.

"You not only care about the development of materials science, but also raised many suggestions on the country's scientific and technological development," Wen told Shi.

Wang Zhongcheng, who is a top national science and technology award winner and also honorary president of Beijing Tiantan Hospital, stressed professional ethics of doctors, saying that doctors must serve patients whole-heatedly, during his talk with Wen.

Wang also suggested that China should train more neurological surgeons.