Climate Change 2007: Synthesis Report -- Summary for Policymakers
note that many of these charts do NOT show changes relative to pre-industrial, but relative to some version of 20th century average:
click on any chart to open a larger version
from Albert Bates. Jan. 6, 2019.
how are we going to prevent global average temperatures from rising by 1.5C to 2C relative to preindustrial norms (18th century) when we have ALREADY raised temperatures by 1.5C to 2C?
Climate Lab Book. Ed Hawkins.
click on chart to open animated GIF
Simulated global temperature change. Jay Alder, USGS. May 26, 2016.
800,000 years of CO2
So, about all those booming EV sales.
THE NOAA ANNUAL GREENHOUSE GAS INDEX (AGGI)
2017 Was Another Record-Busting Year for Renewable Energy, but Emissions Still Increased. GreenTechMedia.
The most depressing energy chart of the year. Dave Roberts, vox.
Carbon Bubble.
You can't stop a wave... but you can surf. Albert Bates. July 8, 2018.
You can't stop a wave - but you can surf - part 2.
IPCC SR15. Mitigation Pathways Compatible with 1.5C in context of Sustainable Development.
In-depth Q&A: The IPCC’s special report on climate change at 1.5C. CarbonBrief. Oct. 8, 2018.
Different ways to define the carbon budget. Carbon Brief.
The Great Acceleration. IGBP.
Trajectories of the Earth System in the Anthropocene. Aug 2018.
FT. Dec. 5, 2018.
3 simple tasks to improve your carbon footprint
New Climate Change Visualization Presents Two Stark Choices For Our Future. Brian Kahn, Earther. Mar. 20, 2019.
links to following charts on my twitter feed:
Carbon Brief. March 21, 2019.
Global Warming Map. Berkeley Earth.
another version
Changes in National Population: 10,000 BCE to present. Robert Rohde.
Valuing Climate Damages. 2017. National Academies Press.
another version
Changes in National Population: 10,000 BCE to present. Robert Rohde.
Valuing Climate Damages. 2017. National Academies Press.
FIGURE 4-1 Conceptual view of the internal flow of the climate module.
NOTES: Output variables are shown in yellow. The list of excluded feedbacks is shown.
FIGURE 4-4 Fossil fuel CO2 emissions, concentrations, and temperature response to the representative concentration pathway (RCP) scenarios as simulated by the CMIP5 Earth system models.NOTES: Panel (a) shows the emissions, the inset shows the concentrations, which also include the response to land-use change emissions, and the right panel shows the temperature response to all human-induced climate forcing, including other greenhouse gases and aerosols. Panel (b) also shows response to extended scenarios for 2100-2300, showing long-term warming commitment.
A Review of Uncertainties in Global Temperature Projections over 21st Century. Knutti et al. 2008.
Robustness and uncertainties in the new CMIP5 climate model projections. Knutti and Sedlacek. 2013.
Estimated Probability Distributions for Earth Climate Sensitivity. from Risk Management and Climate Change. Kunreuther, Heal, Yohe et al 2013.
One Step Forward, One Step Back Again: Assessing the Consequences of Three Decades’ Climate Gridlock in the US. IIEA Institute of International and European Affairs. April 2019.
One Step Forward, One Step Back Again: Assessing the Consequences of Three Decades’ Climate Gridlock in the US. IIEA Institute of International and European Affairs. April 2019.
Better Growth, Better Climate: Global Report. New Climate Economy. 2014.
Unlocking the inclusive growth story of the 21st century: Accelerating Climate Action in Urgent Times. New Climate Economy. 2018.
Some progress since Paris, but not enough. CAT. Dec. 2018.
Climate Action Tracker Emissions Gap. Dec. 2018.
Climate Action Tracker Temperatures. Dec. 2018.
Climate Action Tracker Thermometer. Dec. 2018.
Climate Change in a Nutshell: The Gathering Storm. James Hansen. Dec. 18, 2018.
The World is Not Enough. Statista.
The Earth during the last Ice Age 21,000 years ago.
This visualisation by the Zurich University of Applied Sciences shows the extent of glaciers at the Ice Age peak 21,000 years ago—when the average global temperature was 9°C, versus the 14.4°C average today, and the 13.7°C pre-Industrial level.
It's getting harder and harder to limit ourselves to 2°C. Robbie Andrew, CICERO. April 2019.
from Climate Watcher on Twitter
From Glen Peters on twitter.
Since 2000, global
* Population has grown 25%
* GDP per capita has grown 52%
* Energy per unit GDP has improved 20%
* CO₂ per unit energy has remained flat
* CO₂ emissions have grown 50%
For global CO₂ emissions to go down, what has to change? https://t.co/QIS6R3edyP
From BP, via James Temple on twitter.
World’s richest 10% produce half of carbon emissions. Oxfam.
Our pathetically slow shift to clean energy, in five charts. James Temple, MIT Technology Review. Dec. 24, 2019.
We’d better pick up the pace in the 2020s.
Lessons from Australia’s Bushfires: We Need More Science, Less Rhetoric. Claire Lehmann, Quillette. Jan. 8, 2020.
The Climate Learning Tree. Summer Praetorius, Nautilus. Dec. 26, 2019.
From Glen Peters on twitter.
Since 2000, global
* Population has grown 25%
* GDP per capita has grown 52%
* Energy per unit GDP has improved 20%
* CO₂ per unit energy has remained flat
* CO₂ emissions have grown 50%
For global CO₂ emissions to go down, what has to change? https://t.co/QIS6R3edyP
From BP, via James Temple on twitter.
World’s richest 10% produce half of carbon emissions. Oxfam.
Our pathetically slow shift to clean energy, in five charts. James Temple, MIT Technology Review. Dec. 24, 2019.
We’d better pick up the pace in the 2020s.
- Renewables are still dwarfed by fossil fuels.
- The share of carbon-free electricity has barely budged
- EV sales soared this decade
- But EVs are still a sliver of total auto sales
- We need to radically accelerate clean energy additions
The Climate Learning Tree. Summer Praetorius, Nautilus. Dec. 26, 2019.
You want to reduce the carbon footprint of your food? Focus on what you eat, not whether your food is local. Our World in Data. Jan. 24, 2020.
Global Carbon Budget Estimates Global CO2 Emissions Still Rising in 2019.
Global Carbon Project: Coronavirus causes ‘record fall’ in fossil-fuel emissions in 2020
and yet:
NOAA
Global Monitoring Laboratory
Earth System Research Laboratories
Trends in Atmospheric Carbon Dioxide
Geological Society of London Scientific Statement: what the geological record tells us about our present and future climate. Dec 28, 2020.
The Miocene: The Future of the Past. Dec. 23, 2020.
The Global Energy Perspective describes our view on how the energy transition can unfold, through four scenarios.
Growth without economic growth. European Environment Agency, Jan. 11, 2021
Economic growth is closely linked to increases in production, consumption and resource use and has detrimental effects on the natural environment and human health. It is unlikely that a long-lasting, absolute decoupling of economic growth from environmental pressures and impacts can be achieved at the global scale; therefore, societies need to rethink what is meant by growth and progress and their meaning for global sustainability.
The Piacenzian stage of the Pliocene (2.6 to 3.6 Ma) is the most recent past interval of sustained global warmth with mean global temperatures markedly higher (by ~2–3 °C) than today. Quantifying CO2 levels during the mid-Piacenzian Warm Period (mPWP) provides a means, therefore, to deepen our understanding of Earth System behaviour in a warm climate state. ... We find that CO2 ranged from 389 ppm to 331ppm...
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