Most commentators expect improved energy efficiency and reduced energy demand to
provide the dominant contribution to tackling global climate change. But at the global level …

Environmental problems have contributed to numerous collapses of civilizations in the past.
Now, for the first time, a global collapse appears likely. Overpopulation, overconsumption by …

Climate change challenges societal functioning, likely requiring considerable adaptation to
cope with future altered weather patterns. Machine learning (ML) algorithms have advanced …

Energy systems research requires a variety of demand scenarios for possible futures.
Comprehensive energy demand modelling is often made with a simplified approach or …

Because this is a translated and revised edition of the Portuguese language version, many
of the references the reader finds in the course of the chapters are written in Portuguese. It …

Humans, unlike any other multicellular species in Earth's history, have emerged as a global
force that is transforming the ecology of an entire planet. It is no longer possible to …

The progressive reduction of high-quality-easy-to-extract energy is a widely recognized and
already ongoing process. Although depletion studies for individual fuels are relatively …

Localized ecological systems are known to shift abruptly and irreversibly from one state to
another when they are forced across critical thresholds. Here we review evidence that the …

Bioelectrochemical systems (BESs) are unique systems capable of converting the chemical
energy of organic waste including low-strength wastewaters and lignocellulosic biomass …

Our environment and economy are at a crossroads. This paper attempts a cohesive
narrative on how human evolved behavior, money, energy, economy and the environment fit …