"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".