In this task, you are given one French sentence. The major part of the sentences talk about health-related topics, but some of the them describe an organization and its activities. Your job is to translate the given sentences into English.

Les changements environnementaux observés comprennent, entre autres, l’altération des écosystèmes, la disparition de la biodiversité, la destruction progressive de la couche d’ozone stratosphérique et le changement climatique.
Ecosystem decline, loss of biodiversity, stratospheric ozone depletion, and climate change are some of these environmental changes.

Collaborer avec des experts issus de différents horizons permet à l'ECDC de concentrer en son sein l’ensemble des connaissances européennes en matière de santé, et ainsi d’émettre des avis scientifiques autorisés concernant les risques liés aux maladies infectieuses actuelles et émergentes.
By working with experts throughout Europe, ECDC pools Europe's health knowledge, so as to develop authoritative scientific opinions about the risks posed by current and emerging infectious diseases.

Je m’entoure de personnes de grande valeur qui, dans certains domaines, sont meilleures que moi.

I surround myself with great people, people that are better than I am in specific areas.