To keep the window open to limit global warming to 1.5 C, countries need to accelerate transformation towards a net-zero emissions future across all sectors at a far faster pace than recent trends, according to this report from World Resources Institute and ClimateWorks Foundation, with input from Climate Action Tracker. For example, the report finds that to get on track for the emission cuts required by 2030, the world needs to: Accelerate the increased share of renewables in electricity generation five times faster; Phase out coal in electricity generation five times faster; Reduce the carbon intensity of electricity generation three times faster; Accelerate the uptake of electric vehicles 22 times faster than the significant rates of adoption in recent years; Accelerate the increase in the share of low-carbon fuels by eight times faster; and Accelerate the increase in annual tree cover gain five times faster. The rapid transformation needed to halve emissions by 2030 will require significant financial investments, technology transfer and capacity-building for developing countries. While climate finance has increased significantly in recent years across the public, private and philanthropic sectors, it is still not at the scale needed to revolutionize our energy and transportation systems, accelerate energy efficiency and protect forests. Estimates indicate that between $1.6 and $3.8 trillion per year will be needed through 2050 to transform the energy system alone. Experience has shown that transformative change can happen at an exponential, non-linear rate. Systemic changes that once seemed impossible have ultimately been achieved, such as technological advances with cars, phones and computers. A rapid transition to a zero-carbon future offers the same opportunity — but only with smart and proactive investments in key sectors. The report outlines opportunities within all six sectors to align emissions trajectories with what the science suggests is necessary to avoid the worst climate impacts. Countries, businesses, philanthropy and others must urgently put in place policies, incentives and financial investments to accelerate us toward that safer, prosperous and more equitable future.

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This technical note describes a method for determining whether and to what extent Parties to the Paris Agreement have enhanced their nationally determined contributions (NDCs) with respect to greenhouse gas (GHG) mitigation. We estimate each Party’s target-year GHG emissions under its previous NDC (typically First NDC) and under its subsequent NDC (typically Updated First NDC or Second NDC). On this basis, we determine whether the subsequent NDC reduces emissions relative to the previous NDC and—where possible—by how much. We outline approaches for NDCs with GHG reduction targets and with non-GHG targets and policies.