Search Results for: uncertain

Solar variations controversy

by Judith Curry “The field of Sun-climate relations . . . in recent years has been corrupted by unwelcome political and financial influence as climate change sceptics have seized upon putative solar effects as an excuse for inaction on anthropogenic … Continue reading

2020 Year in Review

by Judith Curry A year ago, there were many things about 2020 that no one anticipated.

Climate book shelf

by Judith Curry Reviews of new books by Steve Koonin, Matthew Kahn and Marc Morano.

Projecting manmade climate change: scenarios to 2050

by Judith Curry Stop using the worst-case scenario for climate change — more realistic scenarios make for better policy. 

Climate adaptation sense. Part III: Dynamic Adaptation Policy Pathways

by Judith Curry Best practices in adapting to sea level rise use a framework suitable for decision making under deep uncertainty.

Assessment of climate change risk to the insurance sector

by Judith Curry The insurance sector is abuzz with a new report from AIR Worldwide on the insurance risk from the impact of climate change on hurricanes.  Insurance industry clients of my company, Climate Forecast Applications Network (CFAN), have requested … Continue reading

Week in review – science edition

by Judith Curry A few things that caught my eye this past week

Week in review – science edition

by Judith Curry A few things that caught my eye these past few weeks

What’s the worst case? A possibilistic approach

by Judith Curry Are all of the ‘worst-case’ climate scenarios and outcomes described in assessment reports, journal publications and the media plausible? Are some of these outcomes impossible? On the other hand, are there unexplored worst-case scenarios that we have … Continue reading

The debate

by Judith Curry On June 12, I am scheduled to appear in a debate that includes Michael Mann

Hearing – Climate Change: The Impacts and the Need to Act

by Judith Curry The House Natural Resources Committee Hearing on Climate Change will be livestreamed on their Facebook page.

Don’t overhype the link between climate change and hurricanes

by Judith Curry Doing so erodes scientific credibility — and distracts from the urgent need to shore up our vulnerability to storms’ impacts.

Comment by Cowtan & Jacobs on Lewis & Curry 2018 and Reply: Part 1

By Nic Lewis A comment on LC18 (recent paper by Lewis and Curry on climate sensitivity)  by Cowtan and Jacobs has been published, along with our response.

1.5 degrees

by Judith Curry The IPCC Special Report on Global Warming of 1.5C  is now published [link].

Dynamics of the Tropical Atmosphere and Oceans

by Judith Curry Peter Webster’s magnum opus is now published: Dynamics of the Tropical Atmosphere and Oceans.

‘Alarmism enforcement’ on hurricanes and global warming

by Judith Curry I used to be concerned about ‘consensus enforcement’ on the topic of climate change.  Now I am concerned about ‘alarmism enforcement.’

Week in review – science edition

by Judith Curry A few things that caught my eye this past week.

Special Report on Sea Level Rise

by Judith Curry I have now completed my assessment of sea level rise and climate change.

Climate Change, Extreme Weather, and Electric System Reliability

by Judith Curry I recently participated in a Technical Conference sponsored by the U.S. Federal Energy Regulatory Commission (FERC).

Resplandy et al. Part 2: Regression in the presence of trend and scale systematic errors

by Nic Lewis In a recent article I set out why I thought that the trend in ΔAPOClimate was overstated, and its uncertainty greatly understated, in the Resplandy et al. ocean heat uptake study. In this article I expand on the … Continue reading

3 degrees C?

by Judith Curry Is 3 C warming over the 21st century now the ‘best estimate’?  A reframing of how we think about climate change over the 21st century, and my arguments for 1 C.

Hearing on the Biodiversity Report

by Judith Curry The House Natural Resources Committee Subcommittee on Water, Oceans and Wildlife is holding a Hearing today on Responding to the Global Assessment Report of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services.

Resplandy et al. Part 3: Findings regarding statistical issues and the authors’ planned correction

By Nic Lewis Introduction The Resplandy et al. (2018) ocean heat uptake study (henceforth Resplandy18) is based on measured changes in the O2/N2 ratio of air sampled each year, compared to air stored in high pressure tanks originally sampled in … Continue reading

Hearing on Using Technology to Address Climate Change

by Judith Curry The House Committee on Science, Space & Technology Hearing on Using Technology to Address Climate Change is about to begin.

New paper suggests historical period estimates of climate sensitivity are not biased low by unusual variability in sea surface temperature patterns

By Nic Lewis An important new paper by Thorsten Mauritsen, Associate Professor at Stockholm University[i] and myself has just been accepted for publication (Lewis and Mauritsen 2020)[ii]. Its abstract reads: