While Cristina Facchini and Rolf Sander have resigned from the executive committee, we are very happy to welcome Barbara Ervens as a new ACP executive editor.

As of 1 September 2019 the direct settlement of article processing charges (APCs) between the Helmholtz Association and Copernicus Publications will be valid for corresponding authors.

In the right conditions, airplane contrails can linger in the sky as contrail cirrus – ice clouds that can trap heat inside the Earth's atmosphere. A new study published in ACP has found that, due to air traffic activity, the climate impact of contrail cirrus will be even more significant in the future, tripling by 2050.

The journal metrics were updated and the current numbers are available from the metrics box on the left-hand side.

A video abstract is a short video statement providing authors with the opportunity to present background information about their findings and to showcase their research activities to a wider audience.

We are sad to announce that the Atmospheric Chemistry and Physics community has lost a highly valued member: Dr William Lahoz passed away in April 2019.

14 scientific institutions have joined the national opt-in consortium for the central payment processing of APCs for articles of all journals published by Copernicus Publications.

Iowa State University Library and Copernicus Publications have signed an agreement on the central billing of article processing charges (APCs) to facilitate the publication procedure for authors.

Copernicus Publications recently launched its full-text HTML workflow and optimized the ACP website for mobile devices. Thereby, the user experience is significantly enhanced when reading ACP articles.

To facilitate the publication procedure for authors from Helsinki University, Copernicus Publications and Helsinki University Library have signed an agreement on a central billing of article processing charges (APCs).

Data underpinning any research finding should be findable, accessible, interoperable, and reusable (FAIR) – not only for humans, but also for machines. Therefore, Copernicus Publications requests that such data are available upon publication of an article.

The latest Journal Citation Reports® have been published by Clarivate Analytics.

As of 1 May 2018 the centralized payment of article processing charges (APCs) with the Leibniz Association has been extended to 53 Leibniz Institutions participating in the Leibniz Association's Open Access Publishing Fund.

The ozone layer – which protects us from harmful ultraviolet radiation – is recovering at the poles, but unexpected decreases in part of the atmosphere may be preventing recovery at lower latitudes, new research has found. The new result, published today in ACP, finds that the bottom part of the ozone layer at more populated latitudes is not recovering.

After more than 16 years of serving the scientific community of Atmospheric Chemistry and Physics (ACP) with great dedication and success, William T. (Bill) Sturges has resigned from the executive committee that coordinates the ACP editorial board.

From 1 January 2018 Atmospheric Chemistry and Physics (ACP) will slightly increase the article processing charges.

"Ozone depletion is a well-known phenomenon and, thanks to the success of the Montreal Protocol, is widely perceived as a problem solved," says University of East Anglia's David Oram. But an international team of researchers, led by Oram, has now found an unexpected, growing danger to the ozone layer from substances not regulated by the treaty.

Authors from the Potsdam Institute for Climate Impact Research (PIK) will profit from a new institutional agreement with Copernicus Publications starting 23 August 2017. The agreement which is valid for the first author enables a direct settlement of article processing charges (APCs) between the PIK and the publisher.

The updated publication policy now is extended by the journal's open access statement, its archiving and indexing scheme, and explicit policies on corrections and retractions.

The general obligations for editors, referees, and authors have been revised to give advice for the appropriate handling of literature suggestions.

Clarivate Analytics has published the latest Journal Citation Reports®.

From 6 June onwards, all newly submitted articles, if accepted for publication, will be distributed under the Creative Commons Attribution 4.0 International License.

To make it as easy as possible for users without technical knowledge to cut and paste or click to share DOIs, CrossRef has changed the display and citation guidelines for DOIs from "doi:10.5194/abcd" to "https://doi.org/10.5194/abcd".

Since early 2016, Copernicus Publications has been enabling authors to connect their articles with underlying or related material such as research data, model code, or scientific videos. To enhance reproducibility it is now also possible to include International Geo Sample Numbers (IGSNs) as assets.

In 2016, the 17 EGU–Copernicus peer-reviewed open-access journals experienced significant growth. We published over 3300 final-revised papers, corresponding to some 53,500 pages, a growth of about 10% compared to the previous year. These papers were downloaded over 645,000 times.

Recently we have become aware of a case of scientific malpractice by an editor of two of our journals (SOIL and SE) who used the position as editor and reviewer to disproportionately promote citations to personal papers and associated journals. Please read the published editorial.

Authors from the Technical University Darmstadt will profit from a new institutional agreement with Copernicus Publications starting 1 January 2017. The agreement which is valid for corresponding authors enables a direct settlement of article processing charges (APCs) between the university and the publisher.

As of 1 January 2017 the direct settlement of article processing charges (APCs) between the Max Planck Digital Library and Copernicus Publications will be valid for corresponding authors.

Copernicus Publications has extended the article level metrics (ALMs) by showing the geographical distribution of views. This information is available for articles published after 3 August 2016.

Copernicus Publications and the Leibniz Association have agreed on a central billing of article processing charges (APCs) to facilitate the publication procedure for authors. So far three Leibniz institutes are participating in this agreement.

Copernicus Publications and the Technische Informationsbibliothek (TIB) in Hanover, Germany have signed an agreement on central billing of article processing charges.

We have summarized the upcoming changes to ACP by the end of the year.

In cooperation with the TIB|AV-Portal ACP authors can now add short, citable video abstracts and video supplements to their articles.

From January 2016 onwards, ACP will see changes to the way papers are archived and paid for.

A new study looking into short-lived pollutants reveals measures governments could implement to substantially improve air quality as well as fight climate change.

The Potsdam University Library and Copernicus Publications have signed an agreement on direct settlement of article processing charges (APCs).

We have updated our data policy: it now also refers to the Data Citation Principles and stresses the necessity of data availability.

Atmospheric Chemistry and Physics (ACP) has received the new DOAJ Seal which recognizes journals with an exceptionally high level of publishing standards and best practice.

Atmospheric Chemistry and Physics (ACP) has become a member of the Committee on Publication Ethics (COPE) and thereby subscribes to the principles of COPE.

The Copernicus Medal 2015 was awarded to Professor Ulrich Pöschl for his outstanding and pioneering work as well as his contributions to open science.

The ACP website has been given a new look, and the navigation has been adjusted. Further details:

In order to further promote open access, the TU Delft Library has transferred a budget to Copernicus to be used by its scientists in 2015.

Copernicus Publications and the University Library of the Technical University Munich (TUM) have agreed on central billing of article processing charges.

From 01 January 2015 Atmospheric Chemistry and Physics (ACP) will slightly increase the article processing charges.

Atmospheric Chemistry and Physics (ACP) has started an XML-first workflow and will provide all new articles in full-text XML from now on.

The ETH-Bibliothek (the central university library for ETH Zurich) and Copernicus Publications have signed an agreement on central billing of article processing charges.

The University of Bremen has now signed an agreement with Copernicus Publications about the central billing of article processing charges.

Article level metrics (ALMs) comprise a set of easy-to-understand real-time impact indicators that track how an article is read, discussed, or cited.

ACP has introduced transparent post-discussion review.

ACP has implemented publication ethics in order to guarantee high scientific and ethical standards.

ACP has just published its new data policy.

An anniversary publication celebrating 10 Years of Interactive Open Access Publishing.

We are glad to announce a special issue dedicated to scientific studies of the volcanic eruption of Eyjafjallajökull, the evolution and properties of the resulting plume, and their consequences.

The European Geosciences Union has published a position statement to clarify the definition and standing of discussion papers published in the interactive open access journals.

The ACP editors welcome two new sister journals with complementary aims and scope.

According to the latest Journal Citation Report of the Institute of Scientific Information (ISI-JCR 2007), the impact factor of Atmospheric Chemistry and Physics (ACP) has increased again.

The journal impact factor of Atmospheric Chemistry and Physics (ACP) is the highest of all journals in the category "Meteorology & Atmospheric Sciences".