'Climate change is a global and all-encompassing threat to life, to our water and food supplies, to our health, security, prosperity and stability. It should be given highest priority.'
'The global livestock industry is indeed a major threat to the climate as it represents 14.5% of all human-caused greenhouse gas emissions'
'We seriously have to question the motivation of those people referred to as climate change sceptics, who are denying the evidence of human-caused climate change and preventing us from moving forward by spreading disinformation and supporting unchecked carbon pollution.'
'A tax on carbon emissions can make an important contribution to the fight against global warming. Another key policy issue is clear and reliable climate finance: governments committed to mobilise $100bn a year by 2020'
'World is reaching the tipping point beyond which climate change may become irreversible.'