• Significant rise in the number of powerful tropical cyclones in recent decades, in response to rising sea-surface temperatures (SST) ^{69, 20, 21, 74,75, 30, 65}
• No upward trend recognised in the destructiveness of Atlantic hurricanes striking the US ^52,53
• Analysis used in studies showing a rise in powerful tropical cyclones questioned ^38,13
• Effect of higher SST on Atlantic hurricane intensity is too small to explain recent enhanced activity ⁴¹
• Trends in global tropical cyclone activity over the past 20 years does not support a rise in frequency, intensity or longevity ³⁷
• Atlantic Multi-decadal Oscillation (AMO) plays minimal role in controlling SST and modulating Atlantic tropical cyclone activity ^40,70
• New scales proposed to replace Saffir-Simpson Hurricane Scale ³⁵
• Statistics and statisticians can improve aspects of hurricane forecasting and risk assessment ^{32, 22}

Geological hazards

• 1975 Haicheng (China) earthquake ‘prediction’ is more luck than judgement ⁷³
• Electromagnetic pulses detected from earthquake offer prediction possibility ⁷¹
• Surface deformation precedes great quake in Alaska and Cascadia ¹⁰
• 2004 Parkfield (California) earthquake provides a wealth of data ⁵
• Earthquake threat to southern California highlighted ^{23, 49}
• Rapid strain detected in New Madrid Seismic Zone (US) ⁶³
• Seismic hazard for greater Tokyo reassessed ⁶⁶
• New national seismic risk and hazard studies for Germany, Italy and Taiwan ^{61, 56, 33}
• Role of uncertainty in earthquake loss models tackled ^{17, 9}
• Seismic hazard modelled in earthquake loss models with spatially distributed exposure ¹⁸
• Liquefaction-induced damage incorporated into earthquake loss model ⁸
• Probabilistic analysis applied to tsunami hazard ²⁷
• Tsunami forecasting models for Hawaii and the Japan Sea ^{77, 16}
• Twenty-three tsunamis recognised in Azores historical catalogue ¹
• Volcano collapse tsunamis characterised at Stromboli (Italy) and Ritter Island (PNG) ^{67, 68, 62}
• Tsunami threat in Marmara Sea (Turkey) recognised ⁴⁸
• Anthropogenic methane threatens submarine landslides and tsunamis ⁷
• Asteroid impact tsunami could lead to US$400 billion loss ¹⁵
• New volcanic eruption prediction model unveiled ³⁶
• Volcanic hazard and loss models constrain threat to Auckland, New Zealand ^{43, 44}
• Large-scale ash and climate effects of volcanic super-eruptions simulated ^{4, 34}
• Recent restlessness reported at volcanoes in Tenerife, Iceland and the US ^{26, 64, 19}

Hydrological hazards

• Flood forecasting revisited ³
• Uncertainty in flood inundation models tackled ²⁹
• Coupling meteorological and hydrological models gives mixed results ^{6, 28}
• Extreme precipitation over European river basins predicted ⁵⁸
• Comprehensive flood risk assessment methodology launched ²
• New European economic risk map for flooding ⁶⁰
• Innovative airborne radar system aids flood modelling for insurance purposes ⁵⁷

Climate change

• Nature of dangerous climate change highlighted ⁵⁹
• Atlantic Thermohaline Circulation (ATHC) slows by 30 percent in last 15 years ¹¹
• Rapid acceleration on melting of Greenland Ice Sheet ^{55, 39}
• Ice loss from Antarctica exceeds 150 cubic km a year ⁷²
• Threshold of polar melting triggering many metres of sea-level rise may be crossed well before century’s end ⁵⁰
• Extra-tropical storms become more intense and head polewards ⁷⁸
• No obvious trend in future European wind speeds ⁵⁴
• Higher storm surges predicted for North Sea coasts ⁷⁶
• Predicted precipitation extremes for Europe paint a complex picture ²⁴
• Global runoff in a warmer world is characterised ⁴²