Exceptional drought events, known as megadroughts, have occurred on every continent
outside Antarctica over the past~ 2,000 years, causing major ecological and societal …

The cryosphere in mountain regions is rapidly declining, a trend that is expected to
accelerate over the next several decades due to anthropogenic climate change. A cascade …

Variation in snow cover over the Tibetan Plateau (TP) is a key component of climate change
and variability, and critical for many hydrological and biological processes. This review first …

Iran is experiencing unprecedented climate-related problems such as drying of lakes and
rivers, dust storms, record-breaking temperatures, droughts, and floods. Here, we use the …

In mountainous regions, climate change threatens cryospheric water resources, and
understanding all components of the hydrological cycle is necessary for effective water …

Glaciers in the tropical Andes have been retreating for the past several decades, leading to
a temporary increase in dry season water supply downstream. Projected future glacier …

Human security will be progressively threatened as the climate changes (robust evidence,
high agreement). Human insecurity almost never has single causes, but instead emerges …

Explanations of relationships between migration and environmental change now focus on
multiple interactions, risks in destination and immobility. This research applies behavioural …

Algae, the dominant primary producers in many aquatic ecosystems, are critical to global
biogeochemical cycling, and changes in their abundance and composition can cascade …

Excluding the large ice sheets of Greenland and Antarctica, glaciers in South America are
large contributors to sea-level rise. Their rates of mass loss, however, are poorly known …