Științe ale mediului Jobs

Educational blog article about wastewater

I’m putting together a practical guide that helps agricultural students understand, monitor, and improve soil health on organic farms. The content should move beyond theory and give readers clear, field-ready methods they can try during labs, internships, or their own small plots. Scope • Cover the fundamentals—physical, chemical, and biological indicators of healthy soil—then dive into hands-on techniques such as composting, green-manure rotations, on-farm nutrient cycling, and low-tillage strategies tailored to organic systems. • Explain the “why” behind each practice in student-friendly language, supported by current research, but keep the focus on real-world application. • Include step-by-step demonstrations (e.g., simple soil texture t...

I’m commissioning a rigorously researched written piece that investigates how hands-on observation of the natural world can deepen our understanding of God’s creative work. The emphasis is on “learning by seeing and doing”: field-based insights, practical experiments, or historical case studies that show scientists, theologians, or philosophers drawing theological meaning from real-world encounters with ecosystems, species behaviour, or physical phenomena. Scope • Length around 3,000 – 4,000 words, formatted for an academic readership. • Argument must engage both contemporary scholarship (peer-reviewed science, eco-theology, philosophy, pschology of nature) and relevant scriptural or classical theological sources. • Include at least one con...

I need a complete formulation for a liquid/powder, multi-purpose household cleaner that relies on biodegradable ingredients only. The end product should wash countertops, glass, and light grease without leaving residue or harmful after-effects in drains or on skin. What I am looking for: • A detailed recipe showing each ingredient, its exact percentage by weight, and its function in the formula. • Step-by-step production procedure that could be followed in a small pilot batch (5 L) and scaled to manufacturing volumes. • Guidance on sourcing the chosen biodegradable raw materials, preferably with at least two supplier options per key ingredient. • Data or references that demonstrate expected pH, viscosity, and shelf-life, plus simple tests I can run to confirm sta...

Don’t miss the launch – pre-register now! Pre-register here:  The Restore Your Corner Challenge is about restoring natural areas and inspiring others to do the same. Participants have the chance to win $10,000! Freelancer.com is running the Restore Your Corner Challenge as part of the Moonshot Innovation Program. Through this Challenge, Freelancer.com wants to build a global community of people who care for nature, share inspirational stories, and create a shared library of best practices from around the world. Getting involved is simple. As a team or individual, pick a natural area near you that you think needs care – a park, forest, lake, urban precinct, river, ocean, wetland or a similar site. Carry out meaningful restoration work, film the process from...