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Synthetic Aperture Radar (SAR) has the capability to observe the Earth's surface both day and night and through most weather conditions, making it an ideal sensor to support a wide range of science and applications. Additionally, unique capabilities of SAR include its ability to penetrate through various mediums (such as vegetation, snow, and soil), measure surface deformation and small movements on the order of centimeters, and its sensitivity to structure and to moisture content.
Disaster response efforts benefit substantially from the use of information on the geographical extent of the hazard that triggered the disaster. For example, maps of the geographical extent of floods allow disaster managers to become aware of all the communities and assets that may have been affected.
In March 2015, 187 Members States of the United Nations launched the Sendai Framework for Disaster Risk Reduction 2015-2030. The framework called for the implementation of efforts at the local, national, regional, and international levels to confront the challenges posed by natural and anthropogenic hazards. Targets included a substantial reduction in global disaster risk mortality, the number of affected people, disaster-related economic losses, and impacts to critical infrastructure.
Nigeria's Minister of Innovation, Science, and Technology, Uche Nnaji, commented that the threat of flooding has significantly decreased according to recent data from the Nigeria Hydrological Services Agency (NIHSA) and from the National Space Research and Development Agency (NASRDA). The collaboration between NIHSA and NASRDA is geared to monitor Lagdo Dam to adopt preventive measures to protect individuals from potential flooding in case flood gates are open by the Dam operators.
The National Oceanic and Atmospheric Administration (NOAA) has released the first photographs collected by its GOES-19 satellite, which provide a nearly constant view of the Western Hemisphere. GOES-19, the most recent addition to NOAA's Geostationary Operational Environmental Satellites (GOES) network, was launched on 25 June 2024. The Advanced Baseline Imager (ABI) on GOES-19 takes data throughout 16 channels of the electromagnetic spectrum, including the visible, near-infrared, and infrared bands.
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The Summit is a high-level event, bringing world leaders together to forge a new international consensus on how we deliver a better present and safeguard the future.
Effective global cooperation is increasingly critical to our survival but difficult to achieve in an atmosphere of mistrust, using outdated structures that no longer reflect today’s political and economic realities.
The Sentinel-2C satellite has started providing imagery of Earth only two weeks after launch, demonstrating the capabilities it will offer to the Copernicus program, the Earth observation endeavour in Europe. Having been launched from Europe’s Spaceport in French Guiana on September 5, 2024, Sentinel-2C will provide continuous high-resolution multispectral imagery of Earth’s land, inland waters, islands, and coastal areas.
In a new multi-agency report, United in Science, coordinated by the World Meteorological Organization (WMO), the United Nations Office for Outer Space Affairs (UNOOSA) underscores in its contribution the critical role of space-based Earth observations in addressing the growing climate crisis. The report highlights that advances in satellite technology have vastly improved the accuracy and frequency of weather forecasts, climate predictions, and environmental monitoring.
The EO College is a hub for digital learning content regarding Earth observation, remote sensing and related topics. The platform is designed as a repository for open educational resources and online courses.
