Rio Conference, Rio+5 and the Rio+10

The Rio Conference, also known as the United Nations Conference on Environment and Development (UNCED), was held in Rio de Janeiro, Brazil, in June 1992. It was a landmark event that brought together world leaders, policymakers, and representatives from various sectors to address pressing environmental and development issues. The conference aimed to reconcile economic development with environmental protection, leading to the concept of sustainable development.

During the Rio Conference, several important agreements were adopted:

1. Rio Declaration on Environment and Development: This declaration outlined the principles for sustainable development, emphasizing the integration of environmental protection and socio-economic development. It recognized the need for global cooperation, public participation, and intergenerational equity in achieving sustainable development.

2. Agenda 21: Agenda 21 is a comprehensive action plan for sustainable development. It covers various sectors, including poverty eradication, sustainable agriculture, biodiversity conservation, and the role of women and indigenous peoples. Agenda 21 provides guidelines for national and international action to promote sustainable development.

3. United Nations Framework Convention on Climate Change (UNFCCC): The UNFCCC was opened for signature during the Rio Conference. It aimed to stabilize greenhouse gas concentrations in the atmosphere and prevent dangerous human interference with the climate system. The UNFCCC established the basis for subsequent climate negotiations and led to the adoption of the Kyoto Protocol in 1997 and the Paris Agreement in 2015.

Rio+5 refers to the five-year follow-up to the Rio Conference. In 1997, the United Nations General Assembly held a special session called "Earth Summit +5" to review the progress made since the Rio Conference. The session focused on evaluating the implementation of Agenda 21, discussing challenges and achievements, and identifying priorities for further action.

The Rio+10, also known as the World Summit on Sustainable Development (WSSD), took place in Johannesburg, South Africa, in 2002. It aimed to review progress on sustainable development since the Rio Conference and identify new strategies and initiatives. The summit addressed key issues such as poverty eradication, access to clean water, renewable energy, biodiversity conservation, and the role of globalization in sustainable development.

The Johannesburg Summit resulted in the adoption of the Johannesburg Plan of Implementation (JPOI). The JPOI reaffirmed the commitments made in Agenda 21 and outlined specific targets and actions in various areas, including water and sanitation, energy, health, education, and sustainable consumption and production patterns.

The Rio Conference, Rio+5, and Rio+10 played pivotal roles in shaping the global sustainability agenda, promoting sustainable development principles, and encouraging international cooperation to address environmental challenges. These conferences have contributed to the development of multilateral environmental agreements and frameworks that guide global efforts towards a more sustainable and equitable future.

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Accuracy Assessment

Accuracy assessment is the process of checking how correct your classified satellite image is . 👉 After supervised classification, the satellite image is divided into classes like: Water Forest Agriculture Built-up land Barren land But classification is done using computer algorithms, so some areas may be wrongly classified . 👉 Accuracy assessment helps to answer this question: ✔ "How much of my classified map is correct compared to real ground conditions?" Goal The main goal is to: Measure reliability of classified maps Identify classification errors Improve classification results Provide scientific validity to research 👉 Without accuracy assessment, a classified map is not considered scientifically reliable . Reference Data (Ground Truth Data) Reference data is real-world information used to check classification accuracy. It can be collected from: ✔ Field survey using GPS ✔ High-resolution satellite images (Google Earth etc.) ✔ Existing maps or survey reports 🧭 Exampl...

Landsat 8 Band designation and Band Combination.

Landsat 8 Band designation and Band Combination. Landsat 8-9 Operational Land Imager (OLI) and Thermal Infrared Sensor (TIRS) Bands Wavelength (micrometers) Resolution (meters) Band 1 - Coastal aerosol 0.43-0.45 30 Band 2 - Blue 0.45-0.51 30 Band 3 - Green 0.53-0.59 30 Band 4 - Red 0.64-0.67 30 Band 5 - Near Infrared (NIR) 0.85-0.88 30 Band 6 - SWIR 1 1.57-1.65 30 Band 7 - SWIR 2 2.11-2.29 30 Band 8 - Panchromatic 0.50-0.68 15 Band 9 - Cirrus 1.36-1.38 30 Band 10 - Thermal Infrared (TIRS) 1 10.6-11.19 100 Band 11 - Thermal Infrared (TIRS) 2 11.50-12.51 100 Vineesh V Assistant Professor of Geography, Directorate of Education, Government of Kerala. https://www.facebook.com/Applied.Geography http://geogisgeo.blogspot.com

Change Detection

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Landsat band composition

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Development and scope of Environmental Geography and Recent concepts in environmental Geography

Environmental Geography studies the relationship between humans and nature in a spatial (place-based) way. It combines Physical Geography (natural processes) and Human Geography (human activities). A. Early Stage 🔹 Environmental Determinism Concept: Nature controls human life. Meaning: Climate, landforms, and soil decide how people live. Example: People in deserts (like Sahara Desert) live differently from people in fertile river valleys. 🔹 Possibilism Concept: Humans can modify nature. Meaning: Environment gives options, but humans make choices. Example: In dry areas like Rajasthan, people use irrigation to grow crops. 👉 In this stage, geography was mostly descriptive (explaining what exists). B. Evolution Stage (Mid-20th Century) Environmental problems increased due to: Industrialization Urbanization Deforestation Pollution Geographers started studying: Environmental degradation Resource management Human impact on ecosystems The field became analytical and problem-solving...

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