Is a ban on GM crops more harmful than growing them?

UK’s chief scientist has said GM crops could provide plentiful food with less damage to the environment and at lower costs. But does that mean we should grow them? Karl Mathiesen investigates.

Let us know your thoughts. Post in the comments below, email karl.mathiesen.freelance@theguardian.com or tweet @karlmathiesen

Will eating organic food make you healthier?

A major new study has found that organic foods contain higher levels of antioxidants and less harmful chemicals than conventionally farmed produce. But does that mean they are better for you? With your help, Karl Mathiesen investigates.

Let us know your thoughts. Post in the comments below, email karl.mathiesen.freelance@theguardian.com or tweet @karlmathiesen

Do farmers really need bee-harming insecticides?

Syngenta says some farmers have no choice but to use banned neonicotinoids, which are linked to declining bee populations. But is it true that no alternatives exist? With your help, Karl Mathiesen investigates.

Let us know your thoughts. Post in the comments below, email karl.mathiesen.freelance@guardian.co.uk or tweet @karlmathiesen