1. Predicting Dissolved Oxygen Concentration in River using New Advanced Machines Learning: Long-Short Term Memory (LSTM) Deep Learning. 2. Fractal analysis of valley sections in geological formations of arid areas 3. Data-driven approach for estimating contaminants in natural water 4. Application of analytical hierarchy process (AHP) in landslide susceptibility mapping for Qazvin province, N Iran 5. Assessment of machine learning algorithms in land use classification 6. Evaluation of land use change predictions using CA-Markov model and managerial scenarios 7. Topographical features and soil erosion processes 8. Mapping the NDVI and monitoring of its changes using Google Earth Engine and Sentinel-2 images 9. Spatiotemporal Urban Sprawl and Land Resource Assessment using Google Earth Engine Platform in Lahore District, Pakistan 10. Using OWA - AHP method to predict landslide-prone areas 11. Multi-scale drought hazard assessment in the Philippines 12. Selection of the best pixel-based algorithm for land cover mapping in Zagros forests of Iran using Sentinel-2A satellite image: A case study in Khuzestan province 13. Identify the important driving forces on gully erosion, Chaharmahal and Bakhtiari province, Iran 14. Analysis of social resilience of villagers in the face of drought using LPCIEA indicator, Case study: Downstream of Dorodzan dam, Iran 15. Spatial and seasonal modelling of land surface temperature using Random Forest 16. Municipal solid waste landfill suitability analysis through spatial multi-criteria decision analysis: a case study 17. Predictive habitat suitability models for Teucrium polium L. using boosted regression trees 18. Ecoengineering practices for Soil degradation protection for vulnerable hill slopes 19. Soft computing applications in rainfall induced landslide analysis and protection - Recent trends, techniques, and opportunities 20. Remote sensing and machine learning techniques to monitor fluvial corridor evolution: the Aras River between Iran and Azerbaijan 21. Studies on potential plant selection focusing on soil bioengineering application for land degradation protection 22. IoT applications in landslide prediction and abatement - Trends, opportunities and challenge 23. Application of WEPP model for runoff and sediment yield simulation from ungauged watershed in Shivalik foothills 24. Parameter estimation of a new four-parameter Muskingum flood routing model 25. Predicting areas affected by forest fire based on machine learning algorithm 26. Management of pest-infected oak trees using remote sensing-based classification algorithms and GIS data 27. The COVID-19 Crisis and Its Consequences for Global Warming and Climate Change 28. Earthquake anomalies for global events from GNSS TEC and other satellites 29. Landslide spatial modelling using a bivariate statistical method in Kermanshah Province, Iran 30. Normalized Difference Vegatation Index analysis of Forest Cover Change Detection in Paro Dzongkhag, Bhutan 31. Rate of penetration prediction in drilling wells from the Hassi Messaoud oil field (SE Algeria): use of artificial intelligence techniques and environmental implications 32. Soil erodibility and its influential factors in arid and semi-arid regions of the Middle-East 33. Non-carcinogenic health risk assessment of fluoride in groundwater of the alluvial plains of River Yamuna, Delhi, India 34. Digital soil mapping of organic carbon at two depths in loess hilly region of Northern Iran 35. Hydrochemistry and geogenic pollution assessment of groundwater in Aksehir (Konya/Turkey) using GIS 36. Comparison of the frequency ratio, index of entropy, and artificial neural networks models for landslide susceptibility mapping: A case study in Pinarbasi/Kastamonu (North of Turkey) 37. Remote Sensing Technology for Post-Disaster Building Damage Assessment 38. Doing More with Less: Coupling Morphometric Indices for Automated Gully Pattern Extraction (A Case Study in the Southeast of Iran) 39. Identification of land subsidence prone areas and its mapping using machine learning algorithms 40. Monitoring of Spatiotemporal Changes of Soil Salinity and Alkalinity in Eastern and Central Parts of Iran 41. Fine-grain Sparse Woodlands Mapping, Using Kernel-based Granulometry of Textural Pattern Measures on Satellite Imageries 42. Badland erosion mapping and effective factors on its occurrence using random forest model 43. Application of machine learning algorithms in Hydrology 44. Digital soil mapping of bulk density in loess derived- soils with complex topography 45. Landslide Susceptibility Mapping along the Thimphu-Phuentsholing Highway using Machine Learning 46. Drought Assessment using the Standardized Precipitation Index (SPI) in Greece 47. COVID-19: An overview on official reports in Iran and world along with some comparisons to other hazards 48. Multi-hazard risk analysis and governance across a provincial capital in northern Iran