Donald Trump and the Future of Climate Protection

On 20 January 2017, Donald Trump will be inaugurated as the forty-fifth president of the United States. His previous announcements on energy policy mark a clear departure from the climate policy ambitions of his predecessor, Barack Obama. But what exactly should we expect from Trump’s climate and energy policies? Will he really be able to...
Continue reading...

COP22 and Beyond – Achieving the Paris Agreement

In order to meet growing concerns about climate change and the challenges presented by mitigation and adaption, delegations from around the world met last year in Paris to negotiate a new and binding international agreement to limit climate change. The first major steps towards implementation of the Paris Agreement were discussed during the 22nd UNFCCC...
Continue reading...

A Milestone for Climate Protection: Paris Agreement Enters into Force

The Paris Agreement, the new international climate treaty, enters into force today on 4 November 2016. This rapid entry into force, occurring within a year of its adoption, is unusual for an international climate treaty: to date, 97 Parties have ratified the Paris Agreement. Together they are responsible for around 70% of global greenhouse gas...
Continue reading...

Mitigating Climate Change, Brick by Brick

Nearly one year ago, in December 2015, 195 nations adopted the Paris Agreement, a global, legally binding treaty for keeping global climate change “well below 2°C”, pursuing efforts to limit warming to 1.5°C. Preparations are underway for this year’s UN Climate Conference, COP22, which will take place from 7-18 November in Marrakesh, Morocco. Thanks to...
Continue reading...

Some Thoughts on Entry into Force of the Paris Agreement

One of the key questions I’m being asked a lot recently in relation to the Paris Agreement is “When will it come into force?” The answer to this question is somewhat more complex than it might at first seem. Through this short piece I hope to provide some insights into the steps and legal requirements...
Continue reading...

Can the G20 Summit Give New Impetus to a Global Energy Transition?

On 4 and 5 September the next G20 Summit will take place in Hangzhou, China. While the G20 was initially created as a forum for discussion and collaboration to prevent financial crises, in the last several years the promotion of a sustainable energy supply has been added to the agenda. Some important first steps have...
Continue reading...

Renewable Energy Act: Switch from feed-in tariffs to auctions marginalises energy cooperatives

With the adoption of the Renewable Energy Act (2014), Germany prepared the ground for the replacement of feed-in tariffs (FiTs), which provided grid operators with a set fee for every kilowatt-hour of wind energy or solar power, to an auction-based system in accordance with the requirements of the European Commission. This system has been tested...
Continue reading...

10 Years of Geoengineering Research: Call for Papers for a Special Issue of Earth‘s Future

2016 marks the tenth anniversary of Nobel laureate Paul Crutzen’s seminal 2006 contribution on geoengineering, “Albedo enhancement by stratospheric sulfur injections: A contribution to resolve a policy dilemma?”. In his essay, noting that attempts at reducing greenhouse gas emissions to limit global warming had been “grossly unsuccessful”, Crutzen suggested that actively injecting sulfur particles into...
Continue reading...

“Well below 2°C” – A First Response to the Paris Agreement on Climate Change

“This Agreement (…) aims to strengthen the global response to the threat of climate change (…) including by holding the increase in the global average temperature to well below 2°C above pre-industrial levels (…)” Even this short excerpt from Article 2 of the newly adopted Paris Agreement reveals much about the outcome of the 21st...
Continue reading...