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Environmental Law

Columbia Law School

Faculty Scholarship

Greenhouse gas

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Full-Text Articles in Law

Ny, New Jersey Adopt Laws Requiring Flood Risk Disclosure For Homebuyers, Tenants, Michael B. Gerrard, Edward Mctiernan Jan 2023

Ny, New Jersey Adopt Laws Requiring Flood Risk Disclosure For Homebuyers, Tenants, Michael B. Gerrard, Edward Mctiernan

Faculty Scholarship

In the wake of several incidents of unprecedented rainfall and disastrous flooding, both New York and New Jersey have adopted laws requiring the sellers of residential properties to tell buyers, and landlords to tell tenants, about known flood risks. The New Jersey law also requires disclosures in commercial transactions. A New York enactment also eliminates the commonlyused ability of sellers to avoid making property disclosures (not only about flood risk) by taking $500 off the purchase price.


Removing Carbon Dioxide Through Ocean Fertilization: Legal Challenges And Opportunities, Korey Silverman-Roati, Romany M. Webb, Michael Gerrard Jan 2022

Removing Carbon Dioxide Through Ocean Fertilization: Legal Challenges And Opportunities, Korey Silverman-Roati, Romany M. Webb, Michael Gerrard

Faculty Scholarship

Carbon dioxide removal (“CDR”) will be needed, alongside deep emissions cuts, to achieve global temperature goals. According to a 2022 report by the Intergovernmental Panel on Climate Change, to keep global average temperatures within 1.5°C above preindustrial levels, carbon dioxide and other greenhouse gas emissions must reach net-zero by mid-century. Scientists have proposed a number of land- and ocean-based CDR techniques. This paper focuses on ocean fertilization, which involves adding iron or other nutrients to the ocean to stimulate the growth of phytoplankton that uptake carbon dioxide and convert it into organic carbon. The hope is that the organic carbon …


Three New Federal Laws Aid New York’S Compliance With Climate Goals, Michael B. Gerrard, Edward Mctiernan Jan 2022

Three New Federal Laws Aid New York’S Compliance With Climate Goals, Michael B. Gerrard, Edward Mctiernan

Faculty Scholarship

The New York Climate Leadership and Community Protection Act of 2019 (CLCPA) requires total statewide greenhouse gas emissions to be reduced 40% from 1990 levels in 2030 and 85% in 2050, with a goal (aided by offsets) of 100% by 2050. It also requires 70% of electricity demand in 2030 to be met by renewables, and 100% from “zero emissions” sources (meaning renewables plus nuclear) in 2040.


Next Mayor Will Inherit Job Of Implementing 2019 Law Setting Building Emissions Caps, Michael B. Gerrard, Edward Mctiernan Jan 2021

Next Mayor Will Inherit Job Of Implementing 2019 Law Setting Building Emissions Caps, Michael B. Gerrard, Edward Mctiernan

Faculty Scholarship

Whoever becomes New York City’s next Mayor will need to pivot quickly to implementing a collection of laws adopted in 2019 and bundled together as the Climate Mobilization Act. These laws are designed to help reduce greenhouse gas emissions in New York City by 40% below 2005 levels by 2030 and 80% by 2050. Because 70% of the greenhouse gases emitted in New York City are generated by how New Yorkers heat, light and power buildings, the Climate Mobilization Act includes Local Laws 92 and 94, which require that new buildings or buildings undergoing major roof renovations include solar panels …


Direct Air Capture: An Emerging Necessity To Fight Climate Change, Michael B. Gerrard Jan 2020

Direct Air Capture: An Emerging Necessity To Fight Climate Change, Michael B. Gerrard

Faculty Scholarship

The Paris Agreement of 2015 declared that we must keep global average temperatures well below 2.0°C (3.6°F) above preindustrial levels, and as close to 1.5°C as possible. However, a 2018 report from the Intergovernmental Panel on Climate Change (IPCC) showed that even 2.0°C would be catastrophic; 1.5°C should be the firm goal. We are now around 1.0°C and are already seeing wildfires, hurricanes, inland precipitation, and other events of unprecedented magnitude.


Regulating In The Face Of A Changing World: Legal Regulation Of Climate Change, Michael B. Gerrard Jan 2019

Regulating In The Face Of A Changing World: Legal Regulation Of Climate Change, Michael B. Gerrard

Faculty Scholarship

Everyone knows that the temperatures have been going up. While tern, peratures bounce around from year to year, when looking at five,year averages, the trend is unmistakable. A well,known adverse effect of these changes is that the Arctic is warming; the extent of Arctic sea ice declin, ing had dipped to a record low in 2015. A decreased level of sea ice has led to the rise of sea levels, which have increased at an accelerated pace. There are a number of projections about what the future pace of sea level rise will be, but most scientists believe it most …


Three Legal Visions Of A ‘Green New Deal’, Michael B. Gerrard, Edward Mctiernan Jan 2019

Three Legal Visions Of A ‘Green New Deal’, Michael B. Gerrard, Edward Mctiernan

Faculty Scholarship

Rep. Alexandria Ocasio-Cortez (D-N.Y.), who has rocketed to such fame that she is now widely known simply as AOC, and Sen. Edward Markey (D-Mass.), co-father of Waxman-Markey, the cap-and- trade bill that narrowly passed the House in 2009 but died in the Senate, have introduced identical resolutions to create a “Green New Deal.” H. Res. 109, S. Res. 59.


The 2015 Paris Agreement On Climate Change: Significance And Implications For The Future, Hari Osofsky, Lisa Benjamin, Michael B. Gerrard, Jacqueline Peel, David Titley Jan 2016

The 2015 Paris Agreement On Climate Change: Significance And Implications For The Future, Hari Osofsky, Lisa Benjamin, Michael B. Gerrard, Jacqueline Peel, David Titley

Faculty Scholarship

On December 12, 2015, nearly 200 countries created a major new agreement on climate change, accompanied by national commitments to act. The Paris Agreement has rightly been celebrated as a breakthrough, but was unquestionably constrained by the need for compromise, and its details will continue to be developed at the international, national, and local levels. On January 9, 2016, a panel of expert commentators and delegation members from a variety of national jurisdictions convened at the annual American Association of Law Schools meeting to analyze the Paris Agreement; they considered how the agreement evolved from prior efforts, the structure of …