Insect declines are being reported worldwide for flying, ground, and aquatic lineages. Most
reports come from western and northern Europe, where the insect fauna is well-studied and …

BACKGROUND Human activity and decisions drive all life in cities. Worldwide, cities are
characterized by extensive anthropogenic transformation of the landscape, modification of …

Species extinctions have defined the global biodiversity crisis, but extinction begins with loss
in abundance of individuals that can result in compositional and functional changes of …

Urbanization is changing Earth's ecosystems by altering the interactions and feedbacks
between the fundamental ecological and evolutionary processes that maintain life. Humans …

Street trees are public resources planted in a municipality's right‐of‐way and are a
considerable component of urban forests throughout the world. Street trees provide …

Urban areas are home to more than half the world's population, but also habitats for a wide
range of plant and animal species. While street trees in urban areas have been recognized …

1. With evidence of significant global insect declines mounting, urgent calls to mitigate such
declines are also increasing. Efforts to reverse insect declines will only succeed, however, if …

Insects constitute the vast majority of known animal species and are ubiquitous across
terrestrial ecosystems, playing key ecological roles. As prey, they are critical to the survival …

A flurry of recently published studies indicates that both insects and birds have experienced
wide-scale population declines in the last several decades. Curiously, whether insect and …

Anthropogenic pollution is increasingly pervasive throughout all ecosystems worldwide. In
recent years, negative consequences on many taxa, such as birds, have been observed. We …