We present an overview of the global spatiotemporal distribution of avian biodiversity,
changes in our knowledge of that biodiversity, and the extent to which it is imperilled. Birds …

Agriculture and development transform forest ecosystems to human‐modified landscapes.
Decades of research in ecology have generated myriad concepts for the appropriate …

We present the results of the search for an isotropic stochastic gravitational wave
background (GWB) at nanohertz frequencies using the second data release of the European …

Tropical forests disappear rapidly because of deforestation, yet they have the potential to
regrow naturally on abandoned lands. We analyze how 12 forest attributes recover during …

Urgent solutions to global climate change are needed. Ambitious tree‐planting initiatives,
many already underway, aim to sequester enormous quantities of carbon to partly …

Land use is central to addressing sustainability issues, including biodiversity conservation,
climate change, food security, poverty alleviation, and sustainable energy. In this paper, we …

Understanding the dynamics of native forest loss and gain is critical for biodiversity
conservation and ecosystem services, especially in regions experiencing intense forest …

Because of human action, the Earth has entered an era where profound changes in the
global environment are creating novel conditions that will be discernable far into the future …

Hundreds of millions of hectares of cropland have been abandoned globally since 1950 due
to demographic, economic, and environmental changes. This abandonment has been seen …

Under suitable conditions, deforested land used for agricultural crops or pastures can revert
to forest through the assisted or unassisted process of natural regeneration. These naturally …