Agriculture, climate change and food security in the 21st century : agriculture, climate change and food security in the 21st century :: our daily bread / Agriculture, climate change and food security in the 21st century :: our daily bread / climate change and energy in the 21st century Beyond smoke and mirrors :: climate change and energy in the 21st century / beyond smoke and mirrors :: climate change and energy in the 21st century / Study on climate change and food security in the major grain producing areas in China