This is an HTML page from a scientific journal article, specifically from the publication "Nature". The page contains several elements:
1. **Article metadata**: At the top of the page, there is a section displaying information about the article, including its title ("Reply to: Uncertain climate effects of anthropogenic reactive nitrogen"), author names, and a DOI (Digital Object Identifier) link.
2. **Citation**: Below the metadata section, there is a citation with information on how to cite this article in various formats (e.g., APA, MLA, Chicago).
3. **Downloadable PDF**: There is a button labeled "Download citation" that allows users to download a downloadable version of the article's citation.
4. **Article history**: The page also displays the publication date and issue date of the article.
5. **Share this article**: A section at the bottom of the page provides options for users to share the article, including generating a shareable link or copying it to their clipboard.
6. **SharedIt content-sharing initiative**: At the end of the page, there is a note indicating that the content was provided by the Springer Nature SharedIt content-sharing initiative.
The overall design and layout of the page appear to be consistent with those used by academic journals like Nature.
1. **Article metadata**: At the top of the page, there is a section displaying information about the article, including its title ("Reply to: Uncertain climate effects of anthropogenic reactive nitrogen"), author names, and a DOI (Digital Object Identifier) link.
2. **Citation**: Below the metadata section, there is a citation with information on how to cite this article in various formats (e.g., APA, MLA, Chicago).
3. **Downloadable PDF**: There is a button labeled "Download citation" that allows users to download a downloadable version of the article's citation.
4. **Article history**: The page also displays the publication date and issue date of the article.
5. **Share this article**: A section at the bottom of the page provides options for users to share the article, including generating a shareable link or copying it to their clipboard.
6. **SharedIt content-sharing initiative**: At the end of the page, there is a note indicating that the content was provided by the Springer Nature SharedIt content-sharing initiative.
The overall design and layout of the page appear to be consistent with those used by academic journals like Nature.