However, a stand-out conclusion from the work of climate modellers is that keeping temperature rise within 2°C will mean reducing C02 emissions by 2065 from the current level of about 54 Gt a year to zero. The world is currently far off track in meeting this goal in a cost-effective manner. Last year’s Emissions Gap Report (UNEP, 2014) showed that emissions needed to fall to 42 Gt by 2030, and that current pledges, not all of which are being met, amount to about 57 Gt in that year.