Maha A. ABDALLAH and Aly .M. A. Abdallah (2007). Marine Security of Hazardous Chemical Cargo. The 9 th Arab International Conference on Materials Science, Alexandria, Egypt, 2007, Plastein Hotel, El-Monazah, p179-190.

Aly .M. A. Abdallah (2007). Review and analysis of accidental oil spills from tankers in the context of global spill trends from all sources The 9 th Arab International Conference on Materials Science, Alexandria, Egypt, 2007, Plastein Hotel, El-Monazah, P1-21.

Osama Farha and Aly .M. A. Abdallah (2007). Liquefied natural gases as primary growth engine of egypt's energy. The 9 th Arab International Conference on Materials Science, Alexandria, Egypt, 2007, Plastein Hotel, El-Monazah, P147-156.

Aly M. A. Abdallah and Hoda Hafiz (2007). Removal of heavy metals from aqueous solution by crab shell. Symposium on environmental pollutants: analysis & control, El-Meadinah, The Kingdom of Saudi Arabia.

Aly M. A. Abdallah, Mohamed Abd El-Wahab, Eman Siam (2007). Levels of heavy metals in sediment and coral Acropora obtained from Red Sea, Egypt Symposium on environmental pollutants: analysis & control, El-Meadinah, The Kingdom of Saudi Arabia.

Aly M. A. Abdallah (2006). Environmental impact assessment and protection marine environment in Egypt, International Seminar Coastal water management & sustainable uses of marine resources Dakar - SENEGAL.

Aly M. A. Abdallah (2006). Analysis of paralytic shellfish poisoning (PSP) toxins from mussels obtained from Egyptian Coast PO.08-18. International society for the study of HARMFUL ALGAE, 12th International Conference on Harmful Algae, Copenhagen, Denmark.

Aly M. A. Abdallah and Zeinab A. El-Greisy (2006). Organochlorines and PCBs in Oreochromus niloticus from El-manzala Lake, Egypt. Environmental Toxicology, Mykonos, Greece.

Aly Mohammed Aly Abdallah (2006). Shellfish toxins in food. ”international workshop on red tide and Human Heath: Bibliotheca Alexandria. Alexandria, Egypt.

Mohammed Aly Abdallah (2006). Tourism industry and Egyptian economic. International Conference on essential Principles of tourism strategy in the Arab world and their impact on national economic. Sheraton – Montazah, Alexandria, Egypt.

Amal M. H. Morsy and Aly Mohammed Aly Abdallah (2006). Assessment and distribution of HCHs and DDTs in marine environment of Eastern Harbour, Alexandria, Egypt. International conference on aquatic resources: needs and benefits. Sheraton – Montazah, Alexandria, Egypt.

Tarek A. Mahammed and Hoda H.H. Ahdy Aly M. A. ABDALLAH (2006). Multi-elements content in marine algae from Egyptian Red Sea Coast. International conference on aquatic resources: needs and benefits. Sheraton–Montazah, Alexandria, Egypt.

Hoda H.H. Ahdy Fathy T. Tayel and Aly M. Aly ABDALLAH. (2006). Assessment of the essential and heavy metals content of some edible and soft tissues. International conference on aquatic resources: needs and benefits. Sheraton–Montazah, Alexandria, Egypt.

Aly M. A. Abd-Allah, Osman. A. El-Rayis, Mamdouh. M.Abbas Mohammed S. El-Adawi. (2006). Alexandria’s treatment plants efficiency and proposed approach for mitigation. International conference on aquatic resources: needs and benefits. Sheraton–Montazah, Alexandria, Egypt.

 Aly M. Aly Abdallah, Eman Siam, and Ahmed Ibrahim. (2006). Sustainable development concept of ecotourism in Egypt. International conference on aquatic resources: needs and benefits. Sheraton–Montazah, Alexandria, Egypt.

Aly M. Aly Abdallah, M.A. El-Sabrouti and Aly I. Beltagy (2006). National Parks in Egypt. International conference on aquatic resources: needs and benefits. Sheraton–Montazah, Alexandria, Egypt.

Aly M. Aly Abdallah and Eman Siam (2006). Energy situation in egypt, efficiency perspectives. Workshop on Climate Change impact on Arab Region. (Reasons and economic impacts). Arab Academy of Science and Technology & Maritime transport.).

Aly M. A. Abdallah, Nadia Emam Abou-El-Ela and Ahmed Khamis. (2006). “Determination of to inorganic and organic mercury in fish from different Egypt Governorates” (International Conference on Marine Pollution in the Arab region at Sheraton El Montazah, Alexandria, Egypt.

Aly M. A. Abdallah and Nadia Emam Abou-ElEla. (2006). “Organochlorine contamination in some marketable fish from Red sea, Egypt.” International Conference on Marine Pollution in the Arab region at Sheraton El Montazah, Alexandria, Egypt.

The Seventh International Conference on the Mediterranean Coastal Environment, MEDCOAST 05 Pine Bay Resort Hotel, Kusadasi, Turkey.

Environmental Health Risk, Bologna, Italy 2005 WESSEX Institute of Technology

 International Ocean research conference. UNESCO Headquarters, Paris, France

International conference on aquatic resources of the Arab Region. Sheraton El-Montaza, Alexandria, Egypt.

International Workshop Marine and Coastal protected Areas Meknès, Morocco.

Regional Organization for the Conservation of the Environment of the Red Sea and Gulf of Aden. Second Regional Forum Sea to Sea 14-16 February 2005, Grand Hyatt hotel, Cairo.

The 1st International Conference on Natural Toxins that has been held in Six October University.

 International Conference on Isotopes in Environmental Studies – Aquatic Forum 2004 Monaco

International workshop on marine pollution and the impacts of sea water desalination plants on the coastal environment, DUBAI, UAE

National workshop on Rehabilitations, Conservation and Sustainable use of Mangroves in Egypt, Hurghada.

The first Egyptian-International conference on Protected Areas and Sustainable Development, Sharm El-Sheik, Egypt.

Marketing of research serving in institution of research, Academy of Science.

International Symposium on Marine Pollution Monaco, IAEA.

Environmental Protection is a must: NIOF & VEA Sheraton Alexandria, Egypt.

UNESCO, First Mediterranean Training Workshop on “Geological and Environmental Aspects of Coastal Region: Nile Delta Case Study, Egypt, Cairo.

International workshop on Seafood Safety: Health implications & Regulatory Options, Cairo.

International Conference Earth Observation & Environmental Information, EOE I997 AAST, NASA, Alexandria, Egypt.

Environmental Protection is a must: NIOF & VEA Sheraton Alex., Egypt.

International workshop on submarine archaeology and coastal management.

US- Egypt workshop for Manufacturing Technologies.

Third FAO/UNEP Sub-Regional Workshop, NIOF.

International workshop for industrial waste management between US Aid and National Academy of Science.

The monitoring of chemical contaminates in marine biota for trends, Egypt.

Seventh International. Seminar on Environmental Impact Assessment, Aberdeen University Scotland, UK.