https://www.elsevier.com/about/press-releases/corporate-social-responsibility/millionth-publisher-donated-book-of-https://bookaid.org/story/using-books-improve-healthcare-malawi/ Energy As our businesses predominantly occupy leased locations with few opportunities for on-site generation, we rely on green tariffs and renewable energy certificates (RECs) and continue to pursue renewable energy supply at more of our locations.