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Methane concentrations are rising faster than ever in the atmosphere. Now, a compilation of observations points towards increased methane emissions from Arctic wetlands as being partly responsible.
Whether methane emissions from the Boreal–Arctic region are increasing under climate change is unclear, but critical for determining climate feedbacks. This study uses observations and machine learning to show an increase in wetland methane emissions over the past two decades, with inter-annual variation.
Global support and cooperation are necessary for successful climate action. Large-scale representative survey results show that most of the population around the world is willing to support climate action, while a perception gap exists regarding other citizens’ intention to act.
Carbon sequestration in mangroves has been proposed as a mitigation strategy for climate change, yet the benefits of carbon burial may be offset by methane emissions. This study shows that methane offsets are small in saline and tropical mangroves, leading to greater net carbon sequestration.
Oceans, covering more than 70% of Earth’s surface, play a vital role in regulating the climate by absorbing heat and carbon dioxide. Now research shows oceans have warmed by more than 1.5 °C since the beginning of the industrial era, challenging previous estimates and emphasizing the urgency of global action.
Understanding temperature change since the pre-industrial period is essential for climate action. This study uses an ocean proxy to better quantify when anthropogenic warming began and estimates that global temperatures have already increased by 1.7 °C.
In this issue of Nature Climate Change, we publish our first Registered Report. We encourage scientists from all climate research communities to consider this format in the future.
The desire to justify carbon-emitting behaviours could influence people’s climate change beliefs due to motivated cognition. Based on a pre-registered survey experiment in the United States, the study, however, finds no evidence supporting the claim in explaining climate denial and environmentally harmful behaviour.
The authors estimate the global vulnerability of wheat crops to wheat blast under current and future climates. They show that warmer, more humid climates can increase wheat blast infection, particularly in the Southern Hemisphere, subsequently reducing global wheat production.
How the climate system reacts to stabilized or decreasing CO2 concentrations is not yet well understood. Here, the authors show that deep ocean warming and its slower heat release lead to unique patterns of ocean surface warming and precipitation.
Tropical instability waves (TIWs) are an important component of the equatorial Pacific climate. An analysis of satellite observations, in situ measurements and ocean circulation models indicates that TIW activity has intensified in the central equatorial Pacific by approximately 12 ± 6% per decade since the 1990s.
Tropical instability waves (TIWs) are an important component of the equatorial Pacific climate. Here the authors show that TIW activity has intensified in the central equatorial Pacific at ∼12 ± 6% per decade over the recent three decades.
Ongoing climate change has the potential to reduce people’s direct experiences with nature, leading to or further exacerbating the ‘extinction of experience’. We argue that understanding these impacts is crucial, as the extinction of experience can have adverse consequences for both humans and the natural environment.
Climate warming can impact predators directly as well as indirectly by affecting their prey and habitat. How predators respond to such changes is largely unknown. Now, experimental work shows the ability of spiders to adjust their webs in response to warming-induced changes in plant communities that alter prey size distributions.